comparing plesiosauria and pterosauria, which of the two groups was the most impacted by this extinction event? in other words, which one lost the most genera in this mid-cretaceous extinction event? (remember to read the y-axis!)
Answers
Comparing Plesiosauria and Pterosauria, Pterosauria lost the most genera in the mid-Cretaceous extinction event. The Y-axis on the chart shows the number of genera lost, with Pterosauria losing more genera than Plesiosauria.
Plesiosauria is an extinct group of aquatic reptiles that lived during the Mesozoic Era. These animals had long necks, four flippers, and a large tail. They had a streamlined body and small heads, and were well-suited for life in the oceans. Pterosauria is an extinct group of flying reptiles that lived during the Mesozoic Era. These animals had wings that were made of skin and supported by a network of long, slender bones. They had long necks, short tails, and heads that were larger than their bodies. Pterosaurs had strong jaws and sharp teeth, and were well-suited for life in the skies.Learn more about plesiosauria and pterosauria:
https://brainly.com/question/30009006
#SPJ4
Related Questions
colored eyes are dominant to blue eyes. suppose a heterozygous man mates with a woman who has blue eyes. what percentage of their children will have blue eyes?
Answers
A heterozygous man mates with a woman who has blue eyes 50 % percentage of their children will have blue eyes.
Heterozygous - When a diploid creature's cells contain two distinct alleles of a gene (one wild-type allele and one mutant allele), the organism is said to be heterozygous at that gene locus. Because the heterozygous female in this case is crossed with a recessive male, we can infer from the Punnett square that only 50% of the kids will have blue eyes.
To know more about allele click here:
https://brainly.com/question/2973829
#SPJ4
________ glands are considered ductless glands, while ________ glands contain ducts.
Answers
Exocrine glands consist of a duct and an acinus, each with a unique type of cell.
These glands can be located in several body organs and have a wide range of secretions that serve different purposes. As a result, exocrine glands contain a variety of cell types.
The growth of epithelial cells into the connective tissue under the glandular epithelium causes it to form during fetal life. All glands are initially joined to the surface epithelium via a passageway known as a duct. There are primarily two kinds of glands: ducted glands and ductless glands. Through well-defined ducts, ducted glands such as the liver, salivary, sweat, and other glands discharge their products.
Learn more about glands here
brainly.com/question/10788921
#SPJ4
Justify the inclusion of spirogyra in Division Algae.
Answers
Answer:
Spirogyra, (genus Spirogyra), any member of a genus of some 400 species of free-floating green algae (division Chlorophyta) found in freshwater environments around the world. Named for their beautiful spiral chloroplasts, spirogyras are filamentous algae that consist of thin unbranched chains of cylindrical cells.
Explanation:
HOPE IT'S HELPFUL FOR U MATE...
1. What is the Celsius Temperature Scale of K=303?
2. What is Celsius Temperature Scale if degree Fahrenheit is 392
3. What is Fahrenheit Temperature Scale if degree Celcius is 70?
Answers
The difference between the Celsius (C) and Kelvin (K) scales is simply the 0 point. So to do the conversion, just add 273
1. What is the Celsius Temperature Scale of K=303?29,85 ºC
2. What is Celsius Temperature Scale if degree Fahrenheit is 392?200ºc
3. What is Fahrenheit Temperature Scale if degree Celcius is 70?158ºF
What is Celsius Scale?Water is the most important element for life on earth. The Celsius scale has zero point at the temperature at which water freezes and 100 at the temperature at which water boils. Measurements are then made in degrees Celsius (°C).
What is Fahrenheit Scale?Daniel Gabriel Fahrenheit chose as the zero point the freezing temperature of a mixture of water and salt and the maximum point (96) the temperature of a healthy man. So pure water freezes at 32° Fahrenheit (F) and boiling at 212°F.
What is Kelvin Scale?William Tomson (known as Lord Kelvin) studying the behavior of gases, discovered the lowest temperature that a body could reach, which would be equivalent to -273°C. From there he determined the zero point of his scale. He thus created what we call the absolute scale, as it uses a universal phenomenon as a reference. In it, water freezes at 273 Kelvin (K) and boils at 373 K - note that we do not use degrees, as this is the absolute scale and not a comparison between phenomena like the other scales.
With this information, we can conclude that To convert temperatures in degrees Celsius to Fahrenheit, multiply by 1.8 (or 9/5) and add 32.
Learn more about Celsius in brainly.com/question/14767047
#SPJ1
As you can see from this activity, the immune system is very complex and is made of many components. In this section, place each immune component in the appropriate bin.
Answers
In this part, place every resistant part in the suitable canister first: Second: Sebum (oil) and sweat Third: NK cells and fever: T and B Lymphocytes.
The immune system's main components are The white blood cells: White blood cells look for, attack, and kill germs to keep you healthy, acting as an army against viruses and bacteria. White platelets are a critical piece of your insusceptible framework.
Safe cells create from immature microorganisms in the bone marrow and become various sorts of white platelets. Dendritic cells, natural killer cells, lymphocytes (B and T cells), neutrophils, eosinophils, basophils, mast cells, monocytes, macrophages, and dendritic cells are among these.
The first involves effector cells that have already been activated. The second includes proficient phagocytes (NK cells). The final one is flexible; Clonal expansion occurs in B and T lymphocytes.
To learn more about Lymphocytes here
https://brainly.com/question/1271207
#SPJ4
Hemophilia is a sex-linked recessive trait, represented by...
a lowercase letter h
an uppercase letter H
Answers
Answer:
hemophilia is represented by a lowercase h
Explanation:
because it is a recessive trait and not a dominant one
Answer:
the answer is a lowercase h
Give 3 examples of how organisms interact for reproduction.
Answers
Answer:
Here are three examples of how organisms interact for reproduction:
Sexual Reproduction in Animals: Two individuals of different sexes come together to exchange genetic material and produce offspring. This interaction often involves complex behaviors to attract mates, including courtship rituals and displays. For instance, peacocks display their extravagant feathers to attract peahens and birds perform elaborate mating dances. Once the mating is successful, the female typically lays eggs or gives birth to live young.
Pollination in Plants: Plants rely on pollination for reproduction, and they interact with various organisms to achieve this. An example is the interaction between flowers and pollinators such as bees, butterflies, birds, or bats. These organisms visit flowers to feed on nectar or pollen, transferring pollen from the male reproductive structures (anthers) to the female reproductive structures (stigma) of the flowers. This transfer of pollen enables fertilization and the production of seeds.
Fungal Symbiosis: Some plants and fungi engage in mutualistic interactions for reproduction. Such interactions include the mycorrhizal associations between plant roots and fungi. The plant provides carbohydrates to the fungus, while the fungus aids in nutrient uptake for the plant by extending its mycelium (network of fine filaments) into the soil. The symbiotic interaction facilitates plant growth and reproduction.
Explanation:
Darwin discovered that variations in genes better adapt some individuals to their environment. How does this relate to natural selection?
A. They are more likely to survive, but would have more competition having those characteristics.
B. They are more likely to survive, but less likely to pass along those genes to offspring.
C. They are more likely to survive and reproduce, passing along those helpful characteristics.
D. They are more likely to survive, and change during their lifetimes by selectively using or not using various parts of their bodies.
Answers
Answer:
C. They are more likely to survive and reproduce, passing along those helpful characteristics
Explanation:
Darwin discovered that variations in genes better adapt some individuals to their environment. This relates to natural selection in that individuals with helpful characteristics are more likely to survive and reproduce, passing along those characteristics to their offspring. This process is known as natural selection, where the environment selects individuals with advantageous traits, allowing them to survive and reproduce at higher rates than individuals without those traits. Over time, this can lead to the evolution of new species as the frequency of advantageous traits increases in a population.
2. Ferns are considered the most biological "successful" type of seedless plant. What evidence allows scientists to draw that conclusion?
Ferns have the longest life cycle.
Ferns have the longest leaves and stems.
Ferns have the greatest number of species.
Ferns have the greatest appeal to humans.
Answers
Ferns are considered the most biological "successful" type of seedless plant because ferns have the longest leaves and stems.
What are the characteristics of ferns?A fern is a member of a group of vascular plants that reproduce via spores and have neither seeds nor flowers.
Similar to flowering plants, ferns have roots, stems and leaves. However, unlike flowering plants, ferns do not have flowers or seeds; instead, they usually reproduce sexually by tiny spores.
Ferns are not of major economic importance, but some are used for food, medicine, as biofertilizer, as ornamental plants, and for remediating contaminated soil.
Learn more about ferns:
https://brainly.com/question/9505707
#SPJ1
Cavendish bananas, the most common bananas at most grocery stores, are grown by planting rhizomes from an established plant. Several young plants can be seen in this photo. What are the advantages and potential problems with growing bananas through the use of vegetative reproduction?
Answers
Answer:
Advantages of planting banana using vegetative propagation are
Production of new individuals which are identical and have similar characteristics as the parent
It is use to produce plants that did not have viable seeds for planting
The desirable traits or characteristics of the plants can be maintained
The flowers that are produced during vegetative propagation are of good quality
Potential problems are,
. It prevent genetic diversity of banana species and can lead to reduction in the yield of banana that is produced because same characteristics is passed to individual.
2. Since similar characteristics is been passed to new individuals, they are subscetiple to the same pathogenic bacteria, viruses of fungi attack which can destroy plants.
Explanation:
Vegetative propagation is a type of asexual propagation in which part of the parent plants structures us use to grow new plants.
Advantages of growing banana using vegetative methods are;
1. Production of new individuals which are identical and have similar characteristics as the parent. Since part if the parent is use for propagation the characteristics exhibited by the parent will reflect on the new individuals.
2. It is use to produce plants that did not have viable seeds for planing.
3. The desirable traits or characteristics of the plants can be maintained because it is been passed from the parent plants to new individuals produced.
4. The flowers that are produced during vegetative propagation are of good quality.
Potential problems
1. It prevent genetic diversity of banana species and can lead to reduction in the yield of banana that is produced because same characteristics is passed to individual.
2. Since similar characteristics is been passed to new individuals, they are subscetiple to the same pathogenic bacteria, viruses of fungi attack which can destroy plants.
Advantages of planting bananas using vegetative propagation are:
It is used to produce plants that did not have viable seeds for plantingThe desirable traits or characteristics of the plants can be maintainedThe flowers that are produced during vegetative propagation are of good quality.Potential problems are:
It prevents the genetic diversity of banana species and can lead to a reduction in the yield of bananas that are produced because the same characteristics are passed to an individual.Since similar characteristics is been passed to new individuals, they are susceptible to the same pathogenic bacteria, viruses or fungi attacks that can destroy plants.What are the 3 types of vegetative propagation?There are several ways of vegetative propagation. The three main types of forest tree propagation are grafting, air-layering and the use of cuttings. The three types are referred to as micropropagation, as an alternative to micropropagation or tissue culture.
Thus, these are the advantages and disadvantages:
To learn more about vegetative propagation click here:
https://brainly.com/question/1048674
Misha and Niko avoid having unprotected intercourse on days eight through 19 of each menstrual cycle because Misha's menstrual cycles are 28 days long. Niko and Misha are practicing
a. the Standard Days Method.
b. the mucus method.
c. the natural family planning method.
d. the fertility monitoring method.
Answers
Misha and Niko are avoiding unprotected intercourse on days eight through 19 of each menstrual cycle, which is an example of C. the natural family planning method.
The natural family planning method involves monitoring a woman's menstrual cycle and avoiding intercourse during the fertile window, which is the time when ovulation is most likely to occur.
There are several methods of natural family planning, including the Standard Days Method, the mucus method, and the fertility monitoring method. The Standard Days Method is a type of calendar-based method that involves avoiding intercourse on specific days of the menstrual cycle that are considered fertile, typically days eight through 19 for a woman with a 28-day cycle.
In summary, Misha and Niko are practicing the natural family planning method by avoiding unprotected intercourse during the fertile window of Misha's menstrual cycle. While the Standard Days Method is one type of natural family planning method, other methods such as the mucus method and fertility monitoring method may be more effective for some couples. Therefore, Option C is correct.
Know more about the natural family planning method here:
https://brainly.com/question/4153160
#SPJ11
In what control panel can the feature Electron Denity and Partial Charge be found?
Answers
Electron Density can be found in the "Surface" control panel to the right of the molecule. You can find Partial Charge on the control panel to the right of the molecule, namely "View." To the right of the molecule, the electronic structure can be found in the "Surface" control panel.
The control panel to the right of the molecule includes a number of visualization and analysis tools for the molecule. The electron density is a measure of the quantity of electron density at each place in the molecule. This is accessible through the "Surface" control panel. A second characteristic is the partial charge, which quantifies the amount of charge on each atom. This is accessible through the "View" control panel. In the "Surface" control panel, you can view the electrical structure of a molecule. All of these elements allow users to obtain a deeper comprehension of the chemical they are researching and can be used to examine the molecule's qualities.
please read more on
brainly.com/question/28417576
#SPJ4
which fact regarding mammalian meiosis is responsible for the increased incidence of down syndrome in offspring of older women?
Answers
The increased incidence of Down syndrome in offspring of older women is mainly due to increased risk of nondisjunction during meiosis.
Nondisjunction is a meiotic error where homologous pairs of chromosomes fail to separate resulting in the offspring having an extra chromosome. This can lead to trisomy, or three copies of a chromosome, in the offspring.
In mammals, meiosis is the process of forming gametes (sperm and egg cells) from diploid cells. Nondisjunction events become more likely with increasing age, and this is especially true in women. This is because as they age, their eggs become more prone to errors in meiosis, leading to a greater chance of aneuploidy or abnormal chromosome numbers in their offspring. This increased risk of nondisjunction during meiosis is the main reason for increased incidence of Down syndrome in the offspring of older women.
Know more about Meiosis here
https://brainly.com/question/29383386#
#SPJ11
What type of mining is used for hematite?
Out of open cut mining, underground mining, dredge mining, leach mining, and petroleum wells
Will reward brainliest
Answers
Answer:
underground mining,
Explanation:
Other things being equal, what is a potential disadvantage of an enzyme having a very high affinity for its substrate?.
Answers
An enzyme with a high affinity for its substrate will require more energy to generate an enzyme-transition state complex (the activation energy of the forward reaction) because the energy of the enzyme-substrate complex will be reduced.
What is the disadvantage of an enzyme having high affinity fir its substrate?Since the ES complex would be in a "energy trough," the activation energy for the transition state would be quite high.
Tight enzyme-substrate binding will lower the reaction's forward rate constant.A forward reaction's activation energy will increase when an enzyme's affinity for its substrate is high.Because the enzyme-substrate complex will be located in a deep energy well, it will be more stable.In contrast to the situation where the substrate-enzyme binding is weaker, a tight binding of the substrate to the enzyme will alter the amounts of free substrate and free enzyme. This little modification won't have much of an impact on the reaction kinetics because the substrate concentration is often higher than the enzyme concentration.
It is unlikely that tight binding would result in the active site being altered. Since the enzyme is significantly bigger than the substrate, it is unlikely that it will change shape.
The reaction's forward rate constant will decrease with tight enzyme-substrate binding. It is conceivable that a substrate that is securely bonded would not easily change its shape as it passes from the transition state to the products.
High enzyme substrate affinities will result in a decrease in the energy of the enzyme-substrate complex and an increase in the energy needed to generate the enzyme-transition state complex (the activation energy of the forward reaction).
Learn more about enzyme affinity here:
https://brainly.com/question/24261115
#SPJ4
Help plssss I’m stumped
Answers
Coagulation is an important step in water treatment because it helps to bring together small particles in the water, forming larger particles that can be more easily removed by subsequent filtration processes.
Disinfection is the final step in water treatment because it is important to ensure that any remaining microorganisms, such as bacteria and viruses, are killed before the water is distributed for consumption.
What is coagulation?The coagulation is described as a process tat involves the addition of chemicals, such as alum or ferric chloride, that neutralize the electric charges on the particles, allowing them to come together and form larger, more easily removable flocs.
It is very important to disinfect the water last, as a final step in ensuring that the water is safe for consumption.
Learn more about coagulation at: https://brainly.com/question/1501224
#SPJ1
A product is sold at a price of $120 per unit and its variable cost is $80 per unit. The fixed expenses of the business are $8,000 per year. Find (i) BEP in $ and units, (ii) profits made when sales are 240 units. Calculate the profit and do a CVP Analysis.
Answers
(i) BEP in $: $8,000
BEP in units: 100 units
(ii) Profits made when sales are 240 units: $4,800
(i) BEP in $ and units:
To find the Break-Even Point (BEP) in dollars, we need to divide the fixed expenses by the contribution margin per unit. The contribution margin per unit is the selling price minus the variable cost per unit.
BEP in $ = Fixed expenses / Contribution margin per unit
BEP in $ = $8,000 / ($120 - $80) = $8,000 / $40 = $8,000
The BEP in dollars is $8,000.
To find the BEP in units, we divide the fixed expenses by the contribution margin ratio.
BEP in units = Fixed expenses / Contribution margin ratio
Contribution margin ratio = Contribution margin per unit / Selling price per unit
Contribution margin ratio = ($120 - $80) / $120 = $40 / $120 = 1/3
BEP in units = $8,000 / (1/3) = $8,000 * 3 = 300 units
The BEP in units is 300 units.
(ii) Profits made when sales are 240 units:
To calculate the profit, we need to subtract the total costs (fixed costs + variable costs) from the total sales.
Variable costs = Variable cost per unit * Number of units sold
Variable costs = $80 * 240 = $19,200
Total costs = Fixed expenses + Variable costs
Total costs = $8,000 + $19,200 = $27,200
Profit = Total sales - Total costs
Profit = (Selling price per unit * Number of units sold) - Total costs
Profit = ($120 * 240) - $27,200
Profit = $28,800 - $27,200
Profit = $1,600
The profit made when sales are 240 units is $1,600.
CVP Analysis:
Cost-Volume-Profit (CVP) analysis is a tool used to analyze the relationship between costs, volume, and profits. It helps in understanding how changes in sales volume affect profitability.
In this case, the CVP analysis can be performed using the given data:
Sales revenue = Selling price per unit * Number of units sold
Sales revenue = $120 * 240 = $28,800
Variable costs = Variable cost per unit * Number of units sold
Variable costs = $80 * 240 = $19,200
Contribution margin = Sales revenue - Variable costs
Contribution margin = $28,800 - $19,200 = $9,600
Contribution margin ratio = Contribution margin / Sales revenue
Contribution margin ratio = $9,600 / $28,800 ≈ 0.3333
Break-Even Point (BEP) in units = Fixed expenses / Contribution margin per unit
BEP in units = $8,000 / $40 = 200 units
Profit = (Selling price per unit * Number of units sold) - Total costs
Profit = ($120 * 240) - ($8,000 + $19,200)
Profit = $28,800 - $27,200
Profit = $1,600
By conducting a CVP analysis, we can determine the Break-Even Point, contribution margin, and analyze the profitability based on the given data.
To know more about " Break-Even Point" refer here:
https://brainly.com/question/15190734#
#SPJ11
What absorbs water in the digestive system
Answers
Your answer is Small Intestine.
Your small intestine makes digestive juice, which mixes with bile and pancreatic juice to complete the breakdown of proteins, carbohydrates, and fats. Bacteria in your small intestine make some of the enzymes you need to digest carbohydrates. Your small intestine moves water from your bloodstream into your GI tract to help break down food. Your small intestine also absorbs water with other nutrients.
Answer: Small intestine
Either you put small intestine in the wrong place, or you're able to put the same one for multiple questions
Which group could the plant belong to? check all that apply. Bryophytes pteridophytes gymnosperms angiosperms monocots dicots.
Answers
Answer: angiosperms and dicots
Explanation: because I took the test
Choose the statement that is true of meiosis, considering the entire process and the events of all stages.
Answers
Meiosis is a process that involves two rounds of cell division, resulting in the formation of four genetically unique daughter cells with half the number of chromosomes as the parent cell.
Meiosis is a specialized form of cell division that occurs in sexually reproducing organisms. It consists of two sequential divisions, known as meiosis I and meiosis II. The main goal of meiosis is to produce haploid cells, which contain half the number of chromosomes as the parent cell. This is crucial for sexual reproduction because it allows for the fusion of two haploid gametes during fertilization, resulting in the restoration of the diploid chromosome number in the offspring.
During meiosis I, homologous chromosomes pair up and exchange genetic material in a process called crossing over. This genetic recombination increases genetic diversity by creating new combinations of alleles. After crossing over, the homologous chromosomes separate, leading to the formation of two haploid cells with duplicated chromosomes.
In meiosis II, the two haploid cells resulting from meiosis I undergo a second round of division. This division is similar to mitosis, with the separation of sister chromatids, resulting in the formation of four haploid daughter cells. These daughter cells are genetically unique due to the random assortment of chromosomes during meiosis I and the exchange of genetic material during crossing over.
Overall, meiosis ensures genetic diversity and the production of haploid cells necessary for sexual reproduction. It is a complex and tightly regulated process that plays a fundamental role in the life cycles of organisms.
Learn more about Meiosis
brainly.com/question/29383386
#SPJ11
when muscles function, they change stored glycogen to _____ as their source of energy.
Answers
When muscles function, they change stored glycogen to glucose as their source of energy. Glycogen is a complex carbohydrate that serves as the primary storage form of glucose in the body.
During physical activity, the muscles require energy to contract and perform their functions. The process of glycogenolysis occurs, where glycogen is broken down into glucose molecules.
The enzyme glycogen phosphorylase plays a key role in this process by catalyzing the release of glucose from glycogen.
The glucose is then further metabolized through a series of biochemical reactions to produce ATP, the energy currency of the cell, which fuels muscle contraction and other cellular processes.
To know more about glucose, refer here:
https://brainly.com/question/2396657#
#SPJ11
[Step 1]: Determine from the data (Table 1) whether IGF2 is maternally or paternally imprinted (silenced).
A. Maternal B. Paternal
[Step 2]: In Cross Number 4, what is the expected number of heterozygous (IGF2/Δigf2 ) progeny?
A. 0 B. 12.5 C. 25 D. 37.5 E. 50
[Step 3]: To show that the functional allele is reversibly switched by the passage through the germline of the opposite sex, DeChiara et al. also made intercrosses between heterozygous F1 females and heterozygous F1 males. Based on your determination of how the IGF2 gene is imprinted, determine the expected phenotypic ratio of the progeny from these crosses (Normal : Growth deficient).
A. All Normal B. 3:1 C. 1:1 D. 1:3 E. 1:2:1 F. All dwarf
Answers
Specifically, we would expect to see a 3:1 ratio of normal to growth-deficient offspring, with normal offspring inheriting the silenced paternal allele and growth-deficient offspring inheriting the active maternal allele. Therefore, the answer is B. 3:1.
Based on the data in Table 1, IGF2 is paternally imprinted (silenced).
For Cross Number 4, the expected number of heterozygous (IGF2/Δigf2) progeny can be calculated using the formula:
Expected number of heterozygous progeny = 2 x (proportion of IGF2/Δigf2 offspring) x (total number of offspring)
From Table 1, we can see that the proportion of IGF2/Δigf2 offspring in Cross Number 4 is 0.5. The total number of offspring is 50.
Therefore, expected number of heterozygous progeny = 2 x 0.5 x 50 = 25
For the intercrosses between heterozygous F1 females and heterozygous F1 males, the expected phenotypic ratio of the progeny will depend on whether the functional allele is maternally or paternally imprinted.
Since we have determined that IGF2 is paternally imprinted, the expected phenotypic ratio of the progeny will be biased towards the paternal allele.
To know more about deficient offspring,
https://brainly.com/question/10873968
#SPJ11
The Hardy-Weinberg equation assumes that allele and genotype frequencies remain in equilibrium from generation to generation if the population is not evolving. true or false
Answers
True. The Hardy-Weinberg equation describes a theoretical population that is not evolving, and assumes that the allele and genotype frequencies in the population will remain in equilibrium from generation to generation.
The equation is based on several assumptions, including random mating, no mutations, no migration, no natural selection, and a large population size. If any of these assumptions are violated, the population may be subject to evolutionary forces and the allele and genotype frequencies may change over time. Therefore, if the population is not evolving, the allele and genotype frequencies will remain constant and in equilibrium, as predicted by the Hardy-Weinberg equation.
Learn more about Hardy-Weinberg equation
https://brainly.com/question/29776155
#SPJ4
Which of the following provide evidence for evolution? (Select all that apply) geographical information fossils molecular features, such as DNA physical features Select all that apply SUBMIT
Answers
Answer:
The answer would be all of the above
Explanation:
They all could give evidence of evolution somehow.
what is a section of a chromosome that contains instructions for building proteins?a) mrna b)rrna c) dna d) polymerasegene
Answers
The section of a chromosome that contains instructions for building proteins is called c) DNA.
DNA is the blueprint for producing proteins in cells. A gene is a segment of DNA that contains instructions for making a particular protein or RNA molecule. During transcription, the DNA sequence is converted into a complementary RNA sequence, which is then used as a template for building the protein. The genetic code determines which amino acids will be used to make the protein, and this code is carried by the sequence of nucleotides in the mRNA. The information contained in the DNA sequence is essential for the survival and function of the cell, and changes to the sequence can cause genetic disorders or diseases. Therefore, understanding the structure and function of DNA is crucial for understanding basic biological processes and developing new treatments for genetic diseases.
To know more about DNA
brainly.com/question/30993611
#SPJ11
Which of the following occurs as protein form?
Answers
Answer:
A
Explanation:
Peptide bonds are formed by a biochemical reaction
Write a ""lifeline"" of a robin over the first year of its life. Include important events.
Answers
Answer: I hope that this helps you please give me brainiest
Robins are born in the spring or summer and are mature birds and ready to breed in the following spring or summer. They do not mate for life. Pairs usually remain together during an entire breeding season, which can involve two or three nestlings.
Since leaving the nest (fledgling), it takes another 10-15 days for babies to become good fliers and individual birds. The parents continue to feed their young throughout this time.
Explanation:
How long do robins live?
A. Most robins die their first year. But the lifespan goes up dramatically for the ones that survive that critical time, because they've learned so many important life skills. Of those that survive their first year, most wild robins live to be about 5 or 6. As of February, 2001, the longest-living banded wild robin ever recorded had survived 13 years and 11 months, according to the Bird Banding Laboratory at the Patuxent Wildlife Research Center. In captivity, robins have survived longer than 17 years.
Q. Do robins mate for life?
A. No, robins do not mate for life. Pairs usually remain together during an entire breeding season, which can involve two or three nestings. However, in spring, sometimes a male and female who mated the previous year will both return to the same territory and end up together for another year. This happens most frequently when they were successful raising babies the previous year.
Q. How long do robins stay in the egg? (egg stage)
A. About 12-14 days after the last egg was laid. (Robins lay one egg per day, for a total of 5-6 eggs in a clutch.)
Q. How long do robin babies stay in the nest (nestling stage)?
A. Baby robins jump from their nest when they are about 13 days old (but the range is 9 - 16 days old).
Q. When do young robins learn to fly? (fledgling stage)
A. After leaving the nest (fledging), it takes another 10-15 days for babies to become strong fliers and independent birds.
Q. How long does it take a robin to go from egg to independence?
A. Here is a summary:
Life Cycle Stage # Days
Egg 12 - 14
Nestling 9 - 16
Fledgling 10 - 15
Total 31 - 45
Q. How old are robins when they mate?
A. Almost one year old. Robins are mature adults and ready to breed in the spring that follows the spring or summer they were born.
Hello! I Need help with this. Please Help Make Sure you explain your answer i will be marking brainliest to the first person who has the right answer.....:D
Answers
Answer:
D
I dont really know how to explain it
.Which of the following levels of the central nervous system plays a role in influencing the autonomic nervous system? Check all that apply.
-cerebral cortex
-hypothalamus
-spinal cord
-brainstem
-basal nuclei
Answers
The hypothalamus and brainstem both play a role in influencing the autonomic nervous system.
The autonomic nervous system regulates automatic bodily functions such as heart rate, breathing, and digestion. The hypothalamus is responsible for regulating the autonomic nervous system by controlling the release of hormones and neurotransmitters that influence these bodily functions. The brainstem also plays a role in regulating the autonomic nervous system by controlling reflexes such as breathing and heart rate.
Therefore, the levels of the central nervous system that play a role in influencing the autonomic nervous system are the hypothalamus and brainstem. The other options listed (cerebral cortex, spinal cord, and basal nuclei) do not have a direct influence on the autonomic nervous system.
To know more about autonomic nervous system, visit:
https://brainly.com/question/1034520
#SPJ11
A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides. If you assume that the average amino acid residue contributes 110 Da to the peptide molecular weight, the largest polypeptide that this mRNA could encode would have which of the following approximate molecular weights (in Da)?
800
5,000
30,000
80,000
Answers
A certain bacterial mRNA is known to represent only one gene and to contain about 800 nucleotides. If you assume that the average amino acid residue contributes 110 Da to the peptide molecular weight, the largest polypeptide that this mRNA could encode would have approximate molecular weights (in Da) is C. 30,000 Da.
The molecular weight of a polypeptide chain can be calculated by adding the molecular weights of all the amino acids that comprise it. Since the mRNA molecule in this question encodes only one gene, the molecular weight of the polypeptide it encodes is equal to the sum of the molecular weights of the amino acids in that polypeptide.
The average molecular weight of an amino acid is around 110 Da, and since the mRNA molecule is 800 nucleotides long, it is reasonable to assume that the polypeptide it encodes contains 800/3 = 266 amino acids (since each codon codes for one amino acid). Therefore, the molecular weight of the polypeptide is approximately 266 * 110 Da = 29260 Da or 30,000 Da (rounded off to the nearest 1000). Thus, the largest polypeptide that this mRNA could encode would have an approximate molecular weight of C. 30,000 Da.
Learn more about polypeptide chain at :
https://brainly.com/question/31104189
#SPJ11
To determine the largest polypeptide that this mRNA could encode, we have to calculate the molecular weight of a protein based on the number of amino acids it contains. The mRNA contains 800 nucleotides, which corresponds to 800/3 = 266.67 amino acids (since each codon codes for one amino acid).
Next, we must assume the average molecular weight of an amino acid residue contributes 110 Da to the peptide molecular weight. The molecular weight of an amino acid residue actually ranges from around 70 Da to around 200 Da, but we can use 110 Da as an estimate.Then, we can calculate the molecular weight of the protein using the following formula:Molecular weight = (number of amino acids) x (average molecular weight of an amino acid residue)Molecular weight = 266.67 x 110Molecular weight ≈ 29,334 Da.
Therefore, the largest polypeptide that this mRNA could encode would have an approximate molecular weight of 29,334 Da. However, we can see that the molecular weight of the protein is closest to 30,000 Da. Therefore, we can choose the answer of 30,000 Da.
To know more about mRNA visit:-
https://brainly.com/question/29314591
#SPJ11