Through genetic drift, a selectively-neutral mutation coding for green eyes in snowshoe hare is eventually found in 10% of Maine's hare population. In the next decade, which is most likely:

To determine the allele frequencies, we can use the Hardy-Weinberg equation: pp2 + 2pq + qq = 1, where p is the frequency of the dominant allele (T) and q is the frequency of the recessive allele (t).

From the given information, we know that there are 700 students who are homozygous recessive (tt) and 100 who are homozygous dominant (TT). This means that the frequency of the recessive allele (q) is:

qq = 700/1000
qq = 0.7
q = √0.7
q = 0.84

Similarly, the frequency of the dominant allele (p) can be calculated as:

pp = 100/1000
pp = 0.1
p = √0.1
p = 0.316

Therefore, the allele frequencies for tongue rolling in this population are:
- Frequency of the recessive allele (t): 0.84
- Frequency of the dominant allele (T): 0.316

Given the data provided:

1. 700 students are homozygous recessive (tt)
2. 200 students are heterozygous (Tt)
3. 100 students are homozygous dominant (TT)

We will use the Hardy-Weinberg equation to determine the allele frequencies:

pp + 2pq + qq = 1

Where p is the frequency of the dominant allele (T) and q is the frequency of the recessive allele (t).

First, we'll find the frequency of each genotype:

1. Homozygous recessive (tt): 700 / 1,000 = 0.7
2. Heterozygous (Tt): 200 / 1,000 = 0.2
3. Homozygous dominant (TT): 100 / 1,000 = 0.1

Now, we will use the equation qq = homozygous recessive frequency to find q:

qq = 0.7
q = √0.7 ≈ 0.837

To find p, we can use the equation p + q = 1:

p = 1 - q
p = 1 - 0.837 ≈ 0.163

So, the allele frequencies for tongue rolling in this population are approximately:

1. Dominant allele (T): 16.3%
2. Recessive allele (t): 83.7%

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Proteins imported to mitochondria do NOT have their signal sequence cleaved. Mitochondria are unique in that they have their own genome and machinery for protein synthesis, but they still rely on the import of many proteins from the cytosol to carry out their functions. These proteins are synthesized with an N-terminal signal sequence that directs them to the mitochondria. Once inside the mitochondria, the signal sequence is recognized by the import machinery and the protein is translocated across the mitochondrial membranes. Unlike proteins targeted to the endoplasmic reticulum or peroxisomes, which have their signal sequences cleaved after import, proteins imported to mitochondria typically have their signal sequences cleaved by a protease within the mitochondria itself, allowing the protein to fold and function within this unique organelle.

the answer to your question is A. Peroxisomes. Proteins imported into peroxisomes do NOT have their signal sequence cleaved. In contrast, proteins targeted to mitochondria and the endoplasmic reticulum typically have their signal sequences cleaved during or after the import process. This cleavage is performed by specific peptidases that recognize and remove the signal sequence, allowing the protein to properly function within the organelle. However, peroxisomal proteins retain their signal sequence, which is recognized by the peroxisomal import machinery and aids in their proper localization within the peroxisome.

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Answer:

A. destroying energy would be your answer.

Hemolytic anaemia causes the hemolysis associated with malarial infections.

The primary cause is non-immune, which relies on the kind of malaria and the parasitemia percentage and is caused by the parasite directly destroying red blood cells (RBCs). Your body can become infected with parasites, viruses, and bacteria, which can harm your red blood cells and cause them to degrade before your body can produce replacements. Red blood cells become infected when the malaria parasites enter the bloodstream from an infectious mosquito bite. Red blood cells burst at the conclusion of that infectious cycle.

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Answer:

The type of mutation that occurs when in the DNA strand there is a change from guanine to cytosine is a nonsense mutation, since the triplet that should encode the amino acid encodes a stop codon and the protein cannot be completely synthesized.

Explanation:

The nonsense mutation consists of a change in one of the bases of the stranded DNA, which is transcribed into an altered mRNA, producing a stop codon, instead of an amino acid.

In the table it is observed that the CCA codon is a stop codon that cuts off the protein synthesis prematurely, leaving it incomplete and probably non-functional.

Sometimes this type of mutation can alter the sequence of amino acids but the protein may be complete enough to partially fulfill its function.

Answer:

5' capping, addition of the poly- A tail, and splicing.

Explanation:

I got it right on the test!! I hope this helps.

The production of antibodies inside the lymphocytes starts at the ribosome (organelle) by joining amino acids together, creating peptide bonds, and forming the primary level structure polypeptide. The polypeptide bends and folds tertiary in the Golgi apparatus (organelle), to form the next level of structure. For instance, the secondary level of structure is formed by hydrogen bonds to create alpha helix or beta-pleated formations.

In order for an antibody to be released into the blood, a fully formed antibody will move from rough endoplasmic reticulum (organelle) to another organelle named Golgi apparatus to sort and be processed for shipment out of the cell. Antibodies transport from organelle to organelle and to the plasma membrane in a vesicle, which is made out of fatty acids-phospholipids.

1. fatty acids

2. amino acids

3. phospholipids

4. hydrogen

5. peptide

6. tertiary

7. secondary

8. rough endoplasmic reticulum (organelle)

9. ribosome (organelle)

10. Golgi apparatus (organelle)

11. vesicle

The laws of thermodynamics govern the behavior of energy, and there are four of them.

All these laws are used to describe the energy and its properties. However, in this particular question, the first and second laws of thermodynamics are of relevance. Hence, here are the appropriate laws for the given events:1ST LAW OF THERMODYNAMICS: The first law of thermodynamics is the law of energy conservation. It states that energy can neither be created nor destroyed; rather, it can only be converted from one form to another. Hence, the event that falls under the first law of thermodynamics is the following: Your meals arrive, and your food is served.2ND LAW OF THERMODYNAMICS: The second law of thermodynamics concerns the natural flow of energy. It is the law of entropy, which states that energy is always flowing from areas of high concentration to areas of low concentration. Hence, the events that fall under the second law of thermodynamics are the following: Your and your friend are really hungry, and your stomachs growl. Your food is being cooked in the kitchen. A few hours after the meal, you start to feel hungry again. Your glass of water falls off the table and spills everywhere. These are the appropriate laws for the given events. 

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Answer:

what are  the options?

Explanation:

Answer:

growth or energy?

Explanation:

this is what i can think of if you tell me the answer choices i can further help.

Answer:

below

Explanation:

Bacterial cells and human cells share some similarities in terms of basic cell structures, such as having a plasma membrane that separates the cell from its environment and a cytoplasm that contains various organelles and molecules necessary for cellular function. Both types of cells also have DNA as their genetic material, although the organization and structure of bacterial DNA is different from that of human DNA.

However, there are also significant differences between bacterial cells and human cells. Bacterial cells are typically much smaller and simpler in structure than human cells, and they lack many of the specialized organelles and structures found in human cells, such as a nucleus, mitochondria, and complex cytoskeletal structures. Additionally, bacterial cells are prokaryotic, meaning that their DNA is not contained within a nucleus, while human cells are eukaryotic, meaning that they have a nucleus and other membrane-bound organelles.

Overall, while there are some similarities between bacterial cells and human cells in terms of basic cell structures and DNA as genetic material, there are also significant differences between the two types of cells due to their different evolutionary histories and functional requirements.

Answer:

PLANTS

Explanation:

PHOTOSYNTHISIS

Answer:

18 percent

Explanation:

An assumption or concept is given as a hypothesis for the purpose of debating it and testing if it might be true.

In the scientific process, the hypothesis is developed before any pertinent research—aside from a basic background review—has been conducted. You pose a question, research previous studies, and then formulate a hypothesis.

A hypothesis is typically a speculative assertion made solely with the intention of being tested.

In contrast, a theory is a principle that has been developed in an effort to explain phenomena that have previously been supported by evidence. It appears in the titles of several scientifically recognized principles, including big bang theory.

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The synthetic sweetener that should not be consumed by individuals suffering from phenylketonuria (PKU) is aspartame. So the correct option is C.

Phenylketonuria is a genetic disorder where the body cannot break down the amino acid phenylalanine. Aspartame is a low-calorie sweetener made by combining two amino acids, aspartic acid, and phenylalanine. When individuals with PKU consume aspartame, their bodies are unable to metabolize the phenylalanine component properly, this can lead to a dangerous buildup of phenylalanine in the blood, which may cause brain damage and other severe health complications. To manage PKU, patients must follow a strict diet low in phenylalanine, which means avoiding aspartame and other sources of the amino acid

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The political activity described in this scenario is lobbying. The citizens opposing the proposed bill engaged in lobbying efforts by hiring a representative to meet with members of Congress and persuade them to vote against the bill.

Lobbying refers to the act of attempting to influence lawmakers and government officials on behalf of individuals, organizations, or interest groups. In this scenario, the citizens who opposed the proposed bill engaged in lobbying by soliciting donations and hiring a representative to advocate their position to members of Congress. The hired representative met with the lawmakers to persuade them to vote against the bill, using arguments and information to influence their decision-making process.

Lobbying is a common political activity used to advocate for specific policies, influence legislation, or promote the interests of a particular group. It involves direct interaction with lawmakers, providing information, making persuasive arguments, and building relationships to shape legislative outcomes.

The political activity described in the scenario is lobbying. The citizens opposing the proposed bill engaged in lobbying efforts by hiring a representative to meet with members of Congress and persuade them to vote against the bill. Lobbying is a fundamental aspect of the democratic process, allowing individuals and groups to have their voices heard and influence policy decisions.

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Answer:

A rancher had 500 cows and took one shot that got them all.  

The answer depends on the imagination of the reader.

May be cow thief arrived and taken all cows of that rancher, then the rancher shot the thief using a gun and that got them all.

Explanation:

Answer:

There are four fundamental forces which include the strongest force known as nuclear forces , a weaker force known as radiation ,electromagnetism and gravity.

Nuclear being the strongest helps in the formation of larger substances from smaller particles on the earth. Radiation helps in the transfer of light rays and other radiations between two or more bodies. Electromagnetism helps in the different charge transfers on the earth and gravity is the main force used to form the earth.

Answer: the pulmonic valve

Explanation:

Blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs. Blood leaves the heart through the aortic valve, into the aorta and to the body. This pattern is repeated, causing blood to flow continuously to the heart, lungs and body.

One reason why the water lily (Nymphaea spp.) lacks a waxy cuticle is because it is adapted to living in an aquatic environment. A waxy cuticle is a layer of cutin, a waterproof, protective coating found on the surface of plant leaves and stems. It helps to prevent water loss through evaporation and protect the plant from dehydration.

However, water lilies are adapted to living in an aquatic environment, where they are constantly surrounded by water. As a result, they do not need to worry about water loss through evaporation and do not have a waxy cuticle to prevent it. Instead, water lilies have evolved other mechanisms, such as thick, succulent leaves and stems, to help them absorb and store water.

Hope This Helps You!

The water lily lacks a waxy cuticle because it is generally present in the water, so it does not have the adaptation to save water, so it does not have the waxy cuticle, while these are the adaptations of the desert plants.

The water lily is significant as it has an important role in aquatic ecosystems because it provides food for a wide variety of aquatic animals, such as insects and fish, while its roots can help stabilize shorelines, prevent erosion, and purify water by removing excess nutrients. Its seeds are of great interest to humans due to their high demands.

Hence, the water lily lacks a waxy cuticle because it is generally present in the water, so it does not have the adaptation to save water, so it does not have the waxy cuticle, while these are the adaptations of the desert plants.

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DNA is 99.9% identical from person to person as individual although 0.1% difference doesn't sound like a lot it actually represents millions of different locations within the genome where variation can occur.

DNA is the hereditary material in humans and almost all other organisms the molecule inside cells that contain the genetic information responsible and function of an organism.

DNA is a linear molecule composed of four types of smaller chemical molecules called nucleotide bases such as:

Therefore DNA is 99.9% identical for individual its  a hereditary material in human and almost all other organisms.

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Answer:

The part of a transfer rna molecule that binds to the codon is the anticodon

Answer:

B.

Explanation:

The scientific method follows a series of six steps in which it includes the one from observation to reaching a conclusion.

The statement that best describes the scientific process is that it is a way to answer scientific questions.

The scientific process is a method of discovering knowledge about the natural world in the following manner:

The scientific process involves the following steps:

The aim of the scientific process is to answer a scientific question or proffer solution to a problem.

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Answer:

this is the answer hope it helps

Answer:

Hydrogen is a gas.

Explanation:

Hydrogen is a gas, thus it is not a solid object. All other non-metals are able to be touched since they are solid.

Answer:

Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. ... There, the food is churned into a liquid mixture called chyme that moves into the small intestine where peristalsis continues. Stretching out a piece of intestine will make it easier to see the wave-like motion

Landscape conservation is an ecosystem conservation strategy that seeks specifically to monitor and meet the needs of a suite of species in an attempt to keep the ecosystem fully functional for all species that live there.

Ecosystem conservаtion is а comprehensive plаn thаt seeks to mаintаin аll species of plаnts аnd аnimаls in а geogrаphic аreа through the mаnаgement of nаturаl resources. Whereаs mаny types of conservаtion mаy focus on one аreа, such аs аir or wаter quаlity, conservаtion of аn entire ecosystem tаkes аll of it into аccount.

Our nаturаl lаndscаpes аre essentiаl, for cleаn wаter, heаlthy ecosystems, vibrаnt communities аnd economies, climаte resilience, culturаl heritаge, outdoor recreаtion, аnd locаl sense of plаce. Lаndscаpe conservаtion is аn аpproаch thаt brings people together аcross geogrаphies, sectors, аnd cultures to collаborаte on conserving our importаnt lаndscаpes аnd the myriаd ecologicаl, culturаl, аnd economic benefits they provide.

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Answer:

tendons

examples such as shoulders hamstrings

The reason for the presence of older, Population II stars in the halo of a galaxy is due to the process of galactic formation. The halo is the oldest part of a galaxy and is formed first during the early stages of galaxy formation. At this time, the gas and dust in the galaxy begin to collapse under gravity, forming the halo and eventually the disk.
Population II stars are typically older and have lower metallicities than Population I stars, which are found in the disk of a galaxy. This is because Population II stars are formed from gas that has been enriched with heavy elements from previous generations of stars. However, the disk of a galaxy is continually being enriched with heavy elements from ongoing star formation, resulting in higher metallicities and the formation of Population I stars.
Therefore, the older Population II stars found in the halo are a remnant of the early stages of galactic formation and have not been affected by the ongoing star formation in the disk. In summary, the long answer to why there are older, Population II stars in the halo and not in the plane is due to the different stages of galactic formation and the enrichment of heavy elements in the gas that forms stars.
Older, Population II stars are predominantly found in the halo of a galaxy rather than in the plane due to their formation history and characteristics. Population II stars formed earlier in the universe's history from low-metallicity gas, which contained fewer elements heavier than helium. These stars typically have lower mass and are less luminous than their younger counterparts, Population I stars.

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