Answers
The specific DNA sequence where RNA polymerase binds and initiates transcription is called the promoter region.
Related Questions
Simulated number of birds in flock for 2nd generation
Answers
The Simulated number of birds in flock for 2nd generation is given in the table below.
Total Pieces Food Percentage Simulated Number of Birds
of Food Eaten in Flock for 2nd Generation
Flock X 57 19% 6
Flock Y 153 51% 15
Flock Z 90 30% 9
What is 2nd generation of crossing?The offspring of any bird is said to be produced due to the work of crossing two birds that are known to belong to the first generation and this often constitute the second generation.
Note that if two first generation red birds and blue pods were said to be crossed, the birds with red pods and plants with blue pods will appeared in the second generation in the ratio of 3:1.
The Food percentage is:
Flock X = 57/300 x 100% = 19%
Flock Y = 153/300 x 100% = 51%
Flock Z = 90/300 x 100% = 30%
Simulated Number of Birds in Flock for 2nd Generation will be;
Flock X = 19% x 30 = 6
Flock Y = 51% x 30 = 15
Flock Z = 30% x 30 = 9
The Simulated number of birds in flock for 2nd generation is said to be dependent on the amount or the outcome of the cross between flocks of the first generation.
Hence, the second generation will be:
Flock X: 19% and 6Flock Y: 51% and 15Flock Z: 30% and 9Learn more about 2nd generation from
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See full question below
Flock X Flock Y Flock Z Total Pieces of Food Eaten 57 153 90 Food Percentage* % % % Simulated Number of Birds in Flock for 2nd Generation** * Divide each flock's total pieces of food by 300, the total number of pieces of food eaten. ** Multiply the food percentage for each flock by the total number of birds (30).
a person who is homozygous has two of the same alleles for a trait. a person who is heterozygous has two different alleles for a trait. using r and r as the two alleles for tongue rolling, select the two genotypes that are homozygous.
Answers
Each gene in each of us has two different alleles, or variations. You are considered to be heterozygous for a gene if you have two identical instances of it.
Exactly what kind of gene is that?
Your inherited genes play a big role in how you look, including what color your skin are. Possibly Emma inherited the red hair trait from her mother, who contains the both brown and red head genes. If her father possesses two red hair genes, her red hair may have an explanation.
How do genes differ from DNA?
Your DNA is what builds and keeps up your human anatomy. Genes are parts of the DNA that are responsible for your unique physical characteristics. Your brain's cells are directed by a comprehensive manual that is all around you.
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Check all that are true of the following scenario.
An archer strings an arrow on a bow and draws the string back. Aiming the bow
upwards at a 45 degree angle, the archer pauses with arms locked into position and
then releases the string. The arrow flies upwards making an arc and then sticks into
the trunk of a tree with an audible thud.
At least four different types of energy are illustrated in this example.
The first energy transformation in the scenario is chemical energy to kinetic.
From the time the archer draws the bow until the thud us heard, entropy increases in
the universe.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the
muscles of the archer.
When the arrow sticks into the tree the original energy has all been used up.
Answers
Statements 1 and 3 are true, while statements 2 and 4 are false.The first energy transformation in the scenario is chemical energy to kinetic. - True.
The archer converts chemical energy stored in their muscles into kinetic energy when they release the string and propel the arrow forward.From the time the archer draws the bow until the thud is heard, entropy increases in the universe. - False. Entropy is a measure of disorder or randomness in a system. In this scenario, the archer's actions do not necessarily lead to an increase in entropy.
The energy of the arrow at the end of the scenario is equal to the energy exerted by the muscles of the archer. - False. Energy is conserved in a closed system, but some energy is lost as heat and sound during the process. Therefore, the energy of the arrow at the end may be less than the energy exerted by the archer's muscles.
When the arrow sticks into the tree, the original energy has all been used up. - False. Energy is not created or destroyed but rather transformed from one form to another. Some of the initial energy from the archer's muscles is transferred to the arrow's kinetic energy, but it is not entirely used up.In summary, statements 1 and 3 are true, while statements 2 and 4 are false.
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There are three sources of genetic variation in sexual reproduction. Determine which of the following statements accurately describes which of these are considered random and which are not
Answers
Genetic recombination and independent assortment are considered random sources of genetic variation, while mutations can occur randomly or due to specific factors.
In sexual reproduction, the three sources of genetic variation are genetic recombination, independent assortment, and random mutations. Among these sources, genetic recombination and independent assortment are considered random processes, while mutations are not entirely random.Genetic recombination occurs during meiosis when homologous chromosomes exchange genetic material through crossing over. This process is considered random as the precise locations where recombination events occur are unpredictable.Independent assortment refers to the random alignment and separation of homologous chromosomes during meiosis I. The random positioning of maternal and paternal chromosomes contributes to genetic diversity in offspring.On the other hand, mutations are not entirely random as they can be influenced by various factors such as exposure to mutagens or errors in DNA replication. However, the specific mutations that occur at particular loci are generally considered random events.Therefore, the accurate statement would be that genetic recombination and independent assortment are considered random sources of genetic variation, while mutations are influenced by both random and non-random factors.For more such questions on Genetic variation:
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1.chemical energy
2.photosynthesis
3.producers
4.radiant energy
5.transform
The energy in matter can change, or____
from one form to another.
Matter and energy interact during the process of_______
The Sun's
______ ______
is transformed into________
Since plants have the ability to convert the Sun's radiant energy
into food, they are called
___
Answers
Explanation:
The energy in matter can change, or_transform___
from one form to another.
Matter and energy interact during the process of_producers______
The Sun's
_.radiant energy
is transformed into_chemical energy_______
Since plants have the ability to convert the Sun's radiant energy
into food, they are called
_photosynthesis__
There are three different sized aquariums in your classroom with two goldfish in each. All fish are the same size and age. Your class wants to find out if the size of the tank affects the growth of a fish.
What should be the same to make the experiment valid?
Answers
By keeping these factors constant, the experiment will be more reliable and accurate in determining whether the size of the tank affects the growth of the fish.
To make the experiment valid, there are several factors that need to be kept the same. Firstly, the amount of food given to each fish should be consistent across all three tanks. This means that the same type and amount of fish food should be given at the same time each day. This ensures that the only variable being tested is the size of the tank and not the amount of food. Secondly, the water conditions in each tank should be kept the same. The water temperature, pH level, and filtration system should be consistent to ensure that the fish are living in the same environment. Thirdly, the number of fish in each tank should be the same. Two goldfish in each tank is a good number to ensure that there is no overcrowding which can affect growth. Lastly, the location of the tanks should be the same. All tanks should receive the same amount of light exposure and be placed in an area with consistent room temperature.
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Give two possible ways that negative human impact on the pH of Earth’s oceans can be reduced.
Worth: 15 points
Answers
Answer:
There are several ways in which negative human impact on the pH of Earth's oceans can be reduced. Here are two possible approaches:
Reducing carbon dioxide (CO2) emissions: The primary cause of ocean acidification, which lowers the pH of the oceans, is the increased absorption of CO2 from the atmosphere. To address this, it is crucial to reduce carbon dioxide emissions at their source. This can be achieved by transitioning to cleaner and renewable energy sources, promoting energy efficiency, and implementing policies to limit greenhouse gas emissions from industries, transportation, and power generation. By reducing CO2 emissions, we can slow down the rate of ocean acidification.
Promoting sustainable fishing and aquaculture practices: Overfishing and destructive fishing practices can disrupt marine ecosystems and contribute to the decline in ocean health. By promoting sustainable fishing practices, such as implementing fishing quotas, protecting marine reserves, and avoiding the capture of non-target species (bycatch), we can maintain the ecological balance of marine ecosystems. Additionally, supporting responsible and sustainable aquaculture practices that minimize environmental impacts and avoid the use of harmful chemicals can help reduce the negative human impact on ocean pH.
It's important to note that these are just two examples, and addressing ocean acidification requires a multi-faceted approach involving various stakeholders, including governments, industries, scientists, and individuals. Other measures, such as protecting coastal habitats, reducing pollution runoff, and raising awareness about the importance of ocean conservation, can also contribute to mitigating the negative human impact on ocean pH.
Explanation:
crabtree effect on glycolysis
Answers
Answer: 'At high fructose concentrations, respiration is inhibited while glycolytic end products accumulate, a phenomenon known as the Crabtree effect. It is commonly believed that this effect is restricted to microbial and tumour cells with uniquely high glycolytic capacities (Sussman et al, 1980).
Explanation: Sorry I dont really know a lot
What is matter? help mee
Answers
Answer:
Matter is anything that has mass and takes up space.
Explanation:
Matter can be anything that are solid, liquid or gas. However, anything that does not have mass and take up space, such as light, are not matter.
Answer:
A matter is anything that occupies space or mass, for example, our body is a matter because it is taking up space. Matters can be solid, liquid, or gas
how does an organism reproduce by budding
Answers
Examples of such animals are:
1. flat worms
2. Jelly fish
3. Sea anemones
4. corals.
5. Yeast cells (such as are found in baker's yeast)
The coral reef is a large colony of living organisms identical to each other, which propagate themselves through budding.
Imagine a disease spreads among the desert grasshoppers and most of them die off. How would the grasshoppers’ disappearance affect the food chain and its organisms? Remember that the grasshopper eats some organisms and is also eaten by other organisms.
Answers
If grasshoppers are removed from the food chain, significant damage to the environment can occur. Being herbivores, grasshoppers can have an impact on the populations of the plants they eat, increasing the population of those plants. The availability of resources for other herbivores that rely on the same plants for survival may be affected as a result.
Grasshoppers are also an important source of food for many predators, such as birds, reptiles and mammals. If locusts are eliminated from the food chain, the number of these predators can decrease. The disappearance of these predators could lead to an imbalance in the populations of their prey, which could have further effects on the environment.
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8. In cocker spaniels, the following genotypes and phenotypes are found: AABB = white, A_bb = red, aabb = lemon, AaB_ = black, aaB_ = liver, AABb = grey a. A red female is mated with a liver-colored male, and one of the pups produced is lemon-colored. What are the genotypes of the parents? b. What proportion of these offspring would be expected to be black? c. A black male is mated with a liver-colored female, and they produce the following pups: 3/8 black 1/8 red 3/8 liver-colored 1/8 lemon-colored What are the genotypes of the two parents? d. If two cocker spaniels of the genotypes AaBb x AABb are mated, and eight pups are born, what is the most likely distribution of coat colors in that litter?
Answers
a. The lemon-colored pup indicates that both parents must be heterozygous for the "a" gene. Therefore, the genotypes of the female and male are A_bb and aaB_, respectively.
b. If A_bb (red) and aaB_ (liver) are mated, all of the offspring will be heterozygous for both traits (AaBb). Therefore, 25% (or 1/4) of the offspring are expected to be black.
c. The genotypes of the two parents can also be determined using a Punnett square. The black male must be homozygous for both the "A" and "B" genes (AABB), and the liver-colored female must be heterozygous for both genes (AaBb).
d. If two AaBb cocker spaniels are mated, the most likely distribution of coat colors in the litter would be:
9/16 (or 56.25%) black (A_B_)3/16 (or 18.75%) grey (AABB, AaBB, AABb)3/16 (or 18.75%) liver-colored (aaB_)1/16 (or 6.25%) lemon (aabb)What is Punnett square?
A Punnett square is a tool used in genetics to predict the possible genotypes and phenotypes of offspring resulting from a cross between two individuals. The Punnett square is a table that shows all possible combinations of alleles from the two parents and the probability of each offspring having a particular genotype.
The Punnett square allows geneticists to determine the probability of an offspring inheriting a particular trait or disease based on the genetic makeup of its parents. It is a useful tool for predicting the outcome of genetic crosses and understanding the patterns of inheritance of traits.
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5. The image above is an example of which boundary?
a. Transform boundary
b. Convergent boundary
Divergent boundary
d. All of the above
Answers
Answer:
Divergent
Explanation:
Answer:
Im smart so the answer is "blah blah blah" saying the correct right answer
Explanation:
Which two cell structures are found in eukaryotic cells but not in prokaryotic cells?
Answers
Answer: Endoplasmic reticulum, microtubules, and the Golgi apparatus
Explanation:
Look at a diagram of these two different cells
Identify which part of the male structures in which are the female structures in a plant?
Answers
Male and female reproductive organs are usually found on different sections of the plant.
Typically, the anther and filament of the stamen of the flower, where the male reproductive components are located, are located. Filament is the stalk that supports the anther, while pollen is the part of the stamen that produces pollen.
The stigma, style, and ovary are the components of the pistil, where the female reproductive organs are usually found in flowers. The sticky, receptive stigma of the pistil is the site where pollen is captured. The ovary is the expanded base of the pistil that contains the ovules, which will mature into seeds after fertilization. The style is the stalk that supports the stigma.
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Convert 145.0 mm to meters and express the answer to the correct number of significant digits.
a.
0.1450 m
b.
0.145 m
c.
145,000 m
d.
1.450 m
Answers
What might a doctor give to someone who is infected with a bacterial disease such as Gonorrhoea?
a.) An Antibiotic
b) Antiviral Medication
c.) An Antiseptic d.)Antifungal Medication
Answers
Answer:
B: Antibiotics
Explanation:
Antivirals treat viruses, antifungals treat fungi, and OTC treatments are merely symptomatic treatment. Antibiotics typically dissolve the cell wall of bacteria meaning they explode, so they actually kill the bacteria.
11
Sea otters move into the ocean bay. The eat all the sea urchins. This change will cause the
A. Kelp to have less food
B. crabs to have less food
C. Sea ducks to have more food
D.Arctic foxes to have more food
Answers
The presence of sea otters in an ocean bay will result in a reduction in the amount of food available to carbs because they feed on sea urchins. Therefore, option (B) is correct.
What is food chain?The linear relationship between creatures that demonstrates how they obtain energy by feeding on one another is referred to as the food chain.
The information provided in this inquiry suggests that sea otters migrate into the ocean bay and consume all of the sea urchins there.
This leads one to believe that they cut down on the food supply of another eater of urchins, such as carbs. Because of this, the introduction of sea otters into the ocean bay will result in there being less food available for carbs.
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Cattle are the intermediate host for Taenia saginata (beef tapeworm), and humans are the primary host. Which stage of the parasite is likely to be found in the cattle?
Group of answer choices
Answers
Answer:
internal parasite is the answer
Answer:
Taenia saginata, known as the beef tapeworm, is transmitted to humans in the form of infectious larval cysts found in the meat of cattle, which serve as the parasite's usual intermediate host. The T. saginata tapeworm is common in cattle-breeding areas of the world.
Explanation:
Taenia saginata, known as the beef tapeworm, is transmitted to humans in the form of infectious larval cysts found in the meat of cattle, which serve as the parasite's usual intermediate host. The T. saginata tapeworm is common in cattle-breeding areas of the world.
I need you to make riddles with the following 7 words. Each riddle should have four lines where the last line is "what/who am I?" these are the words the work is about biology so try to make it deep.
-cancer
-ligament
-osteoporosis
-osteomalacia
-achondroplasia
-ostemilitis
-osteogenic sarcoma
Answers
I am the silent thief, consuming life's essence,
A symbol of chaos, I breed in the dark,
Cells divide uncontrollably, my mark,
Cancer, the destroyer, a ruthless presence in disguise.
In the body I connect, strong and true,
Supporting movements, aiding you,
Flexible yet firm, holding tight,
Ligament, the guardian, in shadows out of sight.
Brittle bones crumble, a silent decay,
Weakening structure, as time slips away,
Fragility reigns, a fortress breached,
Osteoporosis, the thief, silently reached.
Softness pervades, my presence felt,
Bones malformed, as strength slowly melts,
Whispers of pain with each step I tread,
Osteomalacia, the ghost, lingering with dread.
In stature I falter, a different form,
A genetic tale, an anomaly born,
Limbs limited, yet spirits strong,
Achondroplasia, the challenge, that shapes me lifelong.
Inflammation festers, a battle unseen,
Bone becomes battlefield, engulfed in routine,
Infection's grip tightens, as warriors engage,
Osteomyelitis, the warzone, with each passing age.
From the depths I emerge, a dark, vile spawn,
Tumor invades bone, a menace withdrawn,
Cells rebel, multiply, taking hold,
Osteogenic sarcoma, the demon, fierce and bold.
1. Cancer:
I am the silent thief, consuming life's essence,
A symbol of chaos, I breed in the dark,
Cells divide uncontrollably, my mark,
What am I?
2. Ligament:
In the body I connect, strong and true,
Supporting movements, aiding you,
Flexible yet firm, holding tight,
Who am I?
3. Osteoporosis:
Brittle bones crumble, a silent decay,
Weakening structure, as time slips away,
Fragility reigns, a fortress breached,
What am I?
4. Osteomalacia:
Softness pervades, my presence felt,
Bones malformed, as strength slowly melts,
Whispers of pain with each step I tread,
Who am I?
5. Achondroplasia:
In stature I falter, a different form,
A genetic tale, an anomaly born,
Limbs limited, yet spirits strong,
What am I?
6. Osteomyelitis:
Inflammation festers, a battle unseen,
Bone becomes battlefield, engulfed in routine,
Infection's grip tightens, as warriors engage,
What am I?
7. Osteogenic Sarcoma:
From the depths I emerge, a dark, vile spawn,
Tumor invades bone, a menace withdrawn,
Cells rebel, multiply, taking hold,
What am I?
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Type the correct answer in the box. Spell all words correctly.
What is a close relationship between two organisms that live together called?
The close relationship between two organisms that live together is called
Reset
Next
Answers
Answer:
symbiosis.
Explanation:
The term that you are referring to is symbiosis. (a symbiotic relationship)
Symbiosis is a proximate and often long-term interaction between two or more different biological species.
This chemical equation represents a chemical reaction.
HCl + NaOH - NaCl + H20
Which two chemicals are products in the chemical reaction?
A. NaOH
B. H20
C. NaCl
D. HCI
Answers
Answer:
the answer is NaCl and H20
This chemical equation represents a chemical reaction. HCl + NaOH - NaCl + H20, in the reaction NaCl and H₂0 are products of the chemical reaction.
What are the products in the chemical reaction?HCl + NaOH - NaCl + H₂0Here, Sodium Hydroxide, and Hydrochloric Acid combine as an acid and a base in a neutralization process to yield Sodium Chloride (common salt) and Water as by-products.
Reactants are the substance(s) in a chemical equation to the left of the arrow. A component that is present at the outset of a chemical reaction is known as a reactant. Products are the substance(s) to the right of the arrow.
Therefore, Sodium Hydroxide and Hydrochloric Acid combine as an acid and a base in a neutralization process to yield Sodium Chloride (common salt) and Water as by-products.
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A mutant strain of E. coli produces -galactosidase in the presence and in the absence of lactose. Which of the following mutations will cause this result?
A. mutations in the lac operator
B. mutations in the lacl gene that encodes the repressor
C. mutations in the CAP binding site
D. both A and B are correct A,B, and C are correct
Answers
what is glycogen? links will be reported and pls answer in simple words
Answers
Answer:
blood glucose
Explanation:
which is true about a buffer?
a. it increases the amount of H+ in an acidic solution.
b. it reduces the amount of H+ in an acidic solution.
c. it reduces the amount of H+ in an alkaline solution.
Answers
The statement that is true about a buffer is that it reduces the amount of H+ in an acidic solution (option B).
What is a buffer solution?Buffer is a solution that is used to stabilize the pH (excess acidity or alkalinity) of a liquid.
Buffers operate by neutralizing any added acid (H+ ions) or base (OH- ions) to maintain the moderate pH, making them a weaker acid or base.
Therefore, it can be said that the statement that is true about a buffer is that it reduces the amount of H+ in an acidic solution.
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what do you call the very fine particles that you formed after pounding the pieces of rocks with a hammer
Answers
Answer:
fine particles (silt and clay) are moved to areas of still water (off-shore settings). the majority of these particles are made up of clay minerals, which are weathering products of feldspars and ferro-magnesian minerals.
Answer:
You call them minerals
Explanation:
In professional settings, a good idea is seldom taken at face value. Knowing how to explain why our ideas are credible and how we got to our decision is a valuable skill at work, school, and even in personal scenarios.
For this assignment, you will be given three problem scenarios and plausible solutions for each problem. Your job will be to explain which solution you feel is best using the critical thinking and problem-solving tools you have learned so far in class.
• Open & review the Template for this assessment.
• For each of the 3 scenarios, state which solution you chose (remember, any of the solutions could work).
• Explain, in 150 words or more, which 2 tools or resources helped you analyze the problem and solution.
Answers
In regards to Scenario 1, where the Problem is Decreased Sales in a Retail Store, the Solutions will be:
Boast or high advertising budget to attract more customers.Implement the use of customer loyalty program to retain existing customers.Train sales staff to make better customer service and sales techniques.What is good idea?In regards to: Solution 2 - Implement customer loyalty program. Used SWOT and sales data to evaluate. SWOT helped me identify strengths, weaknesses, opportunities, and threats for the store.
A loyalty program could boost sales by retaining existing customers. Past sales data was useful in evaluating the solution by identifying trends in customer behavior. Data showed retail had repeat customers, but purchases decreased. Plan to implement loyalty program to retain and engage customers.
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Essential amino acids are amino acids that must be obtained through the diet. Non‑essential amino acids can be made biosynthetically. Classify the amino acids into either essential or non‑essential amino acids.
Answers
Answer:
Explanation:
There are at present 20 major amino acids produced in the body. These amino acids are important biological components in the body. They are the building blocks of proteins. Also essential in the synthesis of nucleotides including the DNA and RNA. There are different ways of classified these amino acids:
Essential and non essential. The essential amino acids cannot be synthesized from scratch in the body but has to be obtained from our diet, while non essential is produced by the body
Acidic, basic, neutral, polar, non polar etc.
The essential amino acids are arginine, histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.
While the non essential amino acids are: alanine, asparagine, aspartic acid, cysteine, glutamic acid, glutamine, glycine, proline, serine, and tyrosine.
Pikas grow thick fur in winter, and their small bodies conserve heat. Kangaroo rats
do not sweat, and oily fur helps them conserve moisture. They get water from seeds.
Predict what would happen if a pika and a kangaroo rat switched environments.
Answers
A pika's adaptation to its habitat includes growing thick fur in winter to conserve heat. In contrast, the desert environment where the kangaroo rat lives is very hot and dry; therefore, its oily fur helps to conserve moisture rather than heat. The pika's thick fur would make it too hot in the desert environment, whereas the kangaroo rat's oily fur would not be sufficient to conserve moisture in the colder environment.
Additionally, pikas get their water from consuming snow whereas kangaroo rats get water from seeds. In a colder environment, snow is readily available, but in the desert, there is no snow. The kangaroo rats might not be able to survive in colder environments if they do not have access to water, and the pika might not be able to survive in the desert without access to snow.
Therefore, it is likely that the adaptations that allowed the pika and the kangaroo rat to survive in their respective environments would make it difficult for them to survive if they were to switch habitats.
Which two elements have properties of both metals and nonmetals?
beryllium (Be)
iron (Fe)
silicon (Si)
tellurium (Te)
tungsten (W)
Answers
Answer:
silicon and tellurium
Explanation:
Elements that have both properties of non metals and metals are called metalloid or semi metals.