Answer:
-lack of food in the area
-more predators
-envirment changes
-over population
Explanation:
What is the MOST likely length of an mRNA that will code for a polypeptide with 150 amino acids?
Group of answer choices
450 nucleotides
All of these lengths are possible depending on the organism in which the mRNA is found.
50 nucleotides
>450 nucleotides
150 nucleotides
The most likely length of an mRNA that will code for a polypeptide with 150 amino acids is >450 nucleotides.What is mRNA?
Messenger RNA or mRNA is a single-stranded RNA molecule that carries genetic information from DNA to ribosomes for protein synthesis. mRNA is synthesized from DNA through a process called transcription.Most genes contain information that codes for the production of proteins. These proteins, in turn, are involved in the development and function of all living organisms.
The length of mRNA depends on the number of nucleotides, which is determined by the number of amino acids required to make a protein.In general, every three nucleotides on the mRNA molecule code for a specific amino acid. A string of such amino acids forms a polypeptide.
The polypeptide chain forms a protein through folding and further modifications.The most likely length of an mRNA that will code for a polypeptide with 150 amino acids is greater than 450 nucleotides because each amino acid is coded by a sequence of three nucleotides. Therefore, 150 amino acids would require a coding sequence of at least 450 nucleotides.
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Dr. Kettlewelll predicted that clean forests would have _____________ colored moths, and polluted forests would have _________ colored moths.
Answer:
Kettlewell thought that if natural selection caused the change in the moth population, the following must be true: Heavily polluted forests will have mostly dark peppered moths. Clean forests will have mostly light peppered moths. Dark moths resting on light trees are more likely than light moths to be eaten by birds.
Dr. Kettlewall predicted that clean forests would have light-colored moths and polluted forests would have dark-colored moths. This is an example of natural selection.
What is natural selection?Natural selection is a phenomenon in which the fittest individual is chosen by nature. The animal can live and reproduce in that particular environment. An example is the peppered moth population.
The light-colored moths were found on the light-coloured bark, but their population started to decline after the pollution. In the polluted environment, they were easily chosen by predators. So only dark moths survived because they blended in with the polluted environment.
Following the end of the pollution, light colored moth increased again. Predators had a difficult time identifying the light moth because it blended in with the unpolluted environment. Hence, their population increases in unpolluted areas.
Hence, Dr. Kettlewall predicted that a clean forest would have a light-colored moth and a polluted forest would have a dark-colored moth.
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which one of the following statements about mycoplasma pneumoniae is true? which one of the following statements about mycoplasma pneumoniae is true? the causative agent is a virus. the symptoms resemble pneumococcal pneumonia. treatment is tetracyclines. annual vaccination can prevent infection. the causative agent cannot be cultured.
The true statement about Mycoplasma pneumoniae is that the symptoms resemble pneumococcal pneumonia. It is not caused by a virus but by a type of bacteria that lacks a cell wall, which is why it cannot be cultured using traditional methods. Treatment often involves the use of antibiotics such as tetracyclines.
There is currently no vaccine available to prevent Mycoplasma pneumonia infections.
The true statement about Mycoplasma pneumoniae among the given options is: "Treatment is tetracyclines."
Mycoplasma pneumonia is a type of bacterial infection that causes respiratory illness, and its symptoms may resemble those of pneumococcal pneumonia. Tetracyclines, such as doxycycline, are often used as an effective treatment for this infection. The causative agent is not a virus, and there is no annual vaccination to prevent it. Lastly, the causative agent can be cultured, although it may require specialized techniques.
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name at least four process that
are common to most living things
organization, metabolism, responsiveness, movements, and reproduction.
Which of the following coordinate and control immune response?
B lymphocytes
T lymphocytes
antigens
antibodies
Answer:
I think it is antigens but i am just guessing.
Explanation:
i don't know for certain that this is the right answer but regardless have a good day
Where are the right and left hypochondriac regions located?
The right and left hypochondriac regions located at both inferior to (below) the thoracic cage, on the lateral sides of the abdominal wall, and are separated by the epigastrium.
What is the left hypochondriac area made up of?Spleen, a portion of the stomach, and the left colic angle are all located in the left hypochondriac region. When the sigmoid colon is in the left iliac region, the left kidney and descending colon are located in the left lumbar region.
In the upper left and right quadrants, what organs are found?Liver, stomach, gallbladder, duodenum, right kidney, pancreas, and right adrenal gland all are situated in the left upper quadrant. Liver, stomach, pancreas, left kidney, spleen, and left adrenal gland are all situated in the left upper quadrant.
What is the right hypochondrium?The area of the abdomen that sits right below the cartilages linking each side's lower ribs to the breastbone. Interpreted, the phrase means "below the cartilages.".
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Eris is a dwarf planet in our solar system that is located beyond Pluto. Based on this fact, what can you conclude about Eris? Select the 2 (TWO) that
apply.
Eris would have a larger orbit and would take a longer time to travel round the Sun than Pluto.
Eris would be very cold.
Eris would rotate on its axis faster than Pluto
Eris would have many moons.
Answer:
hi
Explanation:
i think so...
Eris would have a larger orbit and would take a longer time to travel round the Sun than Pluto.
Eris would be very cold.
have a nice day
Answer:
Eris would have a larger orbit and would take a longer time to travel round the sun than Pluto.
Eris would be very cold
Explanation:
hope this helps
how many glucose molecules in a polysaccharide that is hydrolzyed
Polysaccharides are macromolecules formed by joining many monosaccharides with glycosidic bonds. They are essential carbohydrates found in many types of organisms, serving as energy sources and structural components. The breakdown of these polymers requires the hydrolysis of the glycosidic bond to release the individual monosaccharides that make up the polymer.
In other words, polysaccharides can be broken down into individual glucose molecules through hydrolysis. The number of glucose molecules obtained through the hydrolysis of a polysaccharide depends on the type of polysaccharide. For example, starch, which is the primary carbohydrate storage molecule in plants, is composed of glucose molecules that are joined together in long chains. The number of glucose molecules obtained from hydrolysis of starch depends on the length of the chains and the degree of branching within the molecule. Amylose, a component of starch, is an unbranched polymer of glucose.
Therefore, hydrolysis of amylose yields several glucose molecules. Amylopectin, on the other hand, is a branched polymer of glucose, which has multiple points of attachment. This branching pattern creates a more complex structure, which requires several different enzymes to break down the molecule.
As a result, hydrolysis of amylopectin yields many more glucose molecules than amylose. A single molecule of glycogen, which is the primary carbohydrate storage molecule in animals, is a highly branched polymer of glucose. Hydrolysis of glycogen results in the release of many glucose molecules.
In conclusion, the number of glucose molecules obtained through the hydrolysis of a polysaccharide depends on its type, and it can range from several to many glucose molecules.
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Sea urchins belong to the echinoderm phylum. Adult sea urchins have spines that extend outward from their exoskeleton, but as larvae, the sea urchins have only an exoskeleton made from spicules. The spines offer protection against predators. The population size of sea urchins is low in relation to the carrying capacity of the area. As a result, the sea urchins are Multiple choice question. A) r-strategists that allocate much energy toward parental care. By-strategists that allocate energy to producing many young. C) density-independent, because there is plenty of energy. D) irruptive, because their numbers crash quickly.
Complete question:
Sea urchins belong to the echinoderm phyla. Adult sea urchins have spines that extend outward from their exoskeleton, but as larvae, the sea urchins have only an exoskeleton made from spicules. The spines offer protection against predators. Sea urchins typically spawn near the surface. Males release sperm into floating plankton, then female urchins release between eight and 20 million eggs in the same area. The jelly-like coating on the eggs attracts the sperm, and when the two meet, they create an embryo that starts dividing into new cells within minutes.
Based on the information the population size of sea urchins is low in relation to the carrying capacity of the area. As a result, the sea urchins are
A) r-strategists that allocate much energy toward parental care.
B) r-strategists that allocate energy to producing many young.
C) density-independent because there is plenty of energy.
D) irruptive, because their numbers crash quickly.
Answer:
B) r-strategists that allocate energy to producing many young.
Explanation:
According to the given information, this species expresses survival curve type III, characteristic of r-strategists. Males and females release many gametes into the sea. If these gametes get to meet, they produce the embryo that starts developing. But there are high chances for these new organisms to die. Significant mortality during the early stages of life is expected for the species. The few individuals that manage to reach the later life stages, getting to survive, usually have a long life. These species produce many gametes to release, which results in the production of many offspring simultaneously. However, adult individuals provide no parental care. Their success in reproduction depends on the number of surviving descendants.
Males release sperm into floating plankton, Female urchins release between eight and 20 million eggs in the same area,When they meet, sperm and egg create an embryo that starts dividing into new cells within minutes.We might also mention that the population size is under the carrying capacity. r-strategist choose to live in areas with only a few individuals, where nitches are hardly occupied.
a. What is a pH buffer and how does it work?
Explanation:
A buffer is an aqueous solution that can resist significant changes in pH levels upon the addition of small amount of acid or alkali. Each buffer is characterized by a set ‘capacity’ which is defined as the quantity of strong acid or base that must be added to change the pH of one liter of solution by one pH unit. In other words, buffer capacity is the amount of acid or base that can be added before the pH begins to change significantly.
A buffer range is the specific pH range in which a buffer effectively neutralizes the added acid or base, while maintaining nearly constant pH. Capacity and range of a particular buffer ensures that the added small amount of acid/base is neutralized and the chemical reaction keeps going without giving a wrong outcome for the experiment/process. Simply put, a buffer is a mixture of a weak acid and its conjugate base or a weak base and its conjugate acid
Please help quickly due in an hour
Answer: The altitude of Polaris when it is viewed from the top of new york state's mt. Marcy is 44 degrees.
Explanation:
Item 8
A student collected data about the distance a ball falls over time.
Which type of graph should she use to show the data?
bar graph
scatterplot
circle graph
histogram
Answer:
Its actually scatterplot
Explanation:
In order to show the data that the student collected, the scatter plot should be used.
The bar graph is a graph whereby rectangular bars with heights are used in representing the values that they represent.A scatter plot is when dots are used in representing the values for the two variables that the person has. In this case, the variables are distance and time. It should be noted that the scatter plot is appropriate for two variables. A scatter plot is appropriate as it'll help in showing the extent of the correlation between the variables.In conclusion, the correct option is B.
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Kendrick holds the rubber blue ball halfway up the ramp and releases ir (figure 1).The ball rolls down the ramp and along the floor beyond the end of the ramp. What force caused the ball to roll down the ramp?
The force that caused the rubber blue ball to roll down the ramp is gravity. When Kendrick held the ball halfway up the ramp and then released it, the force of gravity began to act on the ball and it started to roll down the ramp.
A ramp is an inclined plane that reduces the amount of force required to move an object to a higher level. The force of gravity, which is an attractive force between any two objects in the universe, acts on objects in the direction of the center of the Earth.
This force causes objects to fall toward the ground. When the rubber blue ball was released from the midpoint of the ramp, it began to move in the direction of the force of gravity, which caused it to roll down the ramp. The force of gravity was able to overcome the ball's inertia and caused it to accelerate down the ramp. Once the ball rolled off the end of the ramp, it continued to move forward due to its inertia.
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It is evident that VW is taking a stance to reduce its carbon emission, and the
organisation is selective with the transportation modes used that can utilise
Biofuels. Analyse "needs identification" as an aspect of fleet management in
relation to the case study above.
Note: you are required to paraphrase your understanding of the concept before
you provide at least two application points.
Q.2.3 VW’s move to use biofuels is in the right direction of reducing carbon emissions.
Discuss this statement in the context of the impact of and reducing carbon
emissions for VW.
Needs identification is one of the most important aspects of fleet management as it allows an organization to identify its needs, requirements, and limitations with regards to the fleet. VW is taking a stance to reduce its carbon emissions, and the organization is selective with the transportation modes used that can utilize Biofuels.
The first application point is that needs identification is critical to ensure that the transportation modes used are environmentally friendly. This is because identifying the need to reduce carbon emissions in the case study has led VW to switch to biofuels, which have a significantly lower carbon footprint than traditional fuels.
The second application point is that needs identification is essential to minimize the total cost of ownership of a fleet. Identifying the need for environmentally friendly transportation modes allows the company to save money on fuel costs, maintenance, and replacement of vehicles in the long run, ultimately increasing profitability. The move by VW to use biofuels is definitely a step in the right direction of reducing carbon emissions.
Biofuels produce fewer emissions than fossil fuels, and they are also renewable. They are therefore more sustainable and better for the environment in the long run. Additionally, the use of biofuels could also lead to VW getting more customers as people have become increasingly environmentally conscious and are likely to be drawn towards companies that prioritize environmental sustainability.
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What is cancer?
Group of answer choices
Division of sex cells
A disease that attaches to your cells
A disease similar to a virus that can infect any cell of the body
Uncontrolled mitosis of cells
Answer:
C
Explanation:
The left lung has ______ secondary bronchi since it has ______ lobes; the right lung has ______ lobes; and ______ secondary bronchi. Multiple choice question.
Answer:
2 secondary bronchi, 2 lobes, 3 lobes, 3 secondary bronchi
Explanation:
fr
To what level of organization does a paramecium belong to?
The level of organization that a paramecium belongs to is : Unicellular protozoa
What are paramecium?Paramecium are unicellular protozoa that belongs to the kingdom Protista. they are unicellular because they are comprised of a single cell organization. Paramecium are found in aquatic habitats such as freshwater and brackish waters.
Hence we can conclude that The level of organization that a paramecium belongs to is Unicellular.
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Which phrase names an ecosystem?
1. all the water in an ocean
2. the soil in a tropical rainforest
3. the living organisms in a tundra
4. the living and nonliving elements of a lake
The phrase that names an ecosystem is option 4: "the living and nonliving elements of a lake."
An ecosystem refers to a community of living organisms, as well as the nonliving components present in their environment, which interact and function as a unit.
It includes both the biotic (living) and abiotic (nonliving) factors that influence the ecosystem's structure and function.
In the case of a lake, living organisms such as plants, fish, bacteria, and other aquatic organisms interact with the nonliving elements like water, sunlight, temperature, nutrients, and physical features of the lake (such as rocks and sediment).
These components are interconnected and influence each other's presence, abundance, and interactions within the lake ecosystem.
Therefore, option 4 correctly describes an ecosystem as it encompasses the living (organisms) and nonliving (elements of the lake) components, which together form a functional ecological unit.
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What does it mean if an object is moving on?
define the term 'indigenous breed'
Things that belong to the country where they were found, rather than coming there or being brought there from another country.
Which features form along all types of plate boundaries?
Hurry up!!
Explanation:
Ocean ridges features form along all types of plate boundaries.
After cytokinesis what phase do cells enter?
Answer:
After Cytokinesis, the cells return to Interphase
PLEASE HELP ME THIS IS DUE IN LESS THAN A HOUR!!
3. Frequency of the dominant allele= 0.41
Frequency of the recessive allele= 0.59
17% of the homozygous dominant
35% of the homozygous recessive.
48% heterozygous
What is the meaning of homozygous?
When two paired chromosomes harbour the same or identical alleles for a given characteristic at nearby loci, this condition is referred to as homozygosity (i.e. homologous chromosomes). An entity with two sets of chromosomes is said to be diploid. Both sets are inherited; one set is from the mother and the other from the father. Based on their locations, each maternal chromosome can be matched with a corresponding paternal chromosome. Homozygous occurs when the same alleles are present at the loci in the corresponding chromosomes. It indicates that the same trait is coded for by both alleles.
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according to the "generational accounting" method of analyzing generational equity, the lifetime tax rate of baby boomers is about one-third higher than that of their parents.
The statement you provided about the lifetime tax rate of baby boomers being approximately one-third higher than that of their parents based on the "generational accounting" method of analyzing generational equity is not accurate. Generational accounting is a method used to assess the fiscal impact and intergenerational equity of government policies over time, particularly in terms of taxes and social benefits.
The analysis of generational accounting takes into account factors such as government expenditures, tax revenues, and demographic trends to estimate the fiscal burden or benefit faced by different generations. However, the specific comparison you mentioned regarding the tax rates of baby boomers and their parents is not supported by a universally applicable finding or consensus.
The tax rates experienced by individuals can vary significantly depending on various factors, including personal income, tax policies, and changes in the economic landscape over time. It's important to note that tax rates can differ across countries and can be influenced by specific historical and socioeconomic factors.
Therefore, while generational accounting can provide insights into the intergenerational impact of fiscal policies, it would require more comprehensive analysis and specific data to make accurate claims about the lifetime tax rates of baby boomers compared to their parents.
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Why is cutting very thin sections a step followed while preparing temporary slides
Answer:
there are many steps to be followed while preparing temporary slides for observation under the microscope. Explanation: there is cutting of the tissue into smaller section. This reduces the opacity.
Explanation:
What do antibodies bind together
Answer:
C
Explanation:
it recognize foreign substances such as bacteria
What type of scientist would be the best qualified to perform genetic engineering to pro- duce seed that are more productive in agriculture? A. biochemist B. geologist C. molecular biologist D. paleontologist
The type of scientist best qualified to perform genetic engineering to produce more productive seeds in agriculture would be a molecular biologist, the correct option is C.
Molecular biologists specialize in studying the structure, function, and interactions of molecules within biological systems, including DNA and genes. Genetic engineering involves manipulating the genetic material of organisms, which requires a deep understanding of molecular biology principles.
Molecular biologists have the expertise to identify and isolate specific genes responsible for desired traits in crop plants, such as increased productivity or resistance to pests or diseases. They can then modify or introduce these genes into target plants to achieve the desired outcomes, the correct option is C.
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HELLLLLPPPPPPPP
Which of the following landforms are labeled incorrectly?
Number 1 – the Pontic Mountains
Number 2 – the Taurus Mountains
Number 3 – the Anatolian Plateau
Number 4 – the Negev Desert
A. number 1 only
B. number 4 only
C. numbers 2 and 3 only
D. all are labeled incorrectly
Answer: i belive the answer is C
Explanation: i done my research
Based on the information we can infer that they are all labeled correctly.
How to identify the elements that are labeled well?To identify the elements that are well labeled we must rely on a physical map of Eastern Europe. There we can find these sites and their location. In this case we can infer that all the elements are labeled in the place corresponding to their real location, so they are all correct.
According to the above, neither of the options is correct. So, we have to add an option with this information: E. All are labeled correctly.
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Before converting protein to glucose or fat, the _____ must be removed
amino group
peanut butter sandwich (peanut butter and bread)
the liver converts ammonia to the less toxic urea..
Before converting protein to glucose or fat, the amino group must be removed.
Proteins are composed of amino acids, and when the body needs energy, it can convert proteins into glucose through a process called gluconeogenesis or into fat through lipogenesis. However, before proteins can be utilized in these metabolic pathways, the amino group \((-NH_2)\) needs to be removed. This process is called deamination.
Deamination occurs primarily in the liver. The liver enzymes remove the amino group from the amino acids, resulting in the formation of ammonia \((NH_3)\). However, ammonia is toxic to the body, so the liver converts it into a less toxic substance called urea. Urea is then transported to the kidneys and excreted from the body through urine.
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How many gigaton of carbon do animals produce.
Answer:
7.1 gigatons of CO2 equivalent per year
Explanation: