in order for a population to remain in hardy-weinberg equilibrium, mating must be random. what would happen to the genotypic and phenotypic frequencies if individuals were more likely to mate with others that shared their phenotype?

The process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

A mutation is a sudden and lasting alteration in the DNA sequence that can influence genetic variation. Changes in the DNA sequence can influence phenotype, which may or may not have an effect on an organism's fitness. Mutations occur spontaneously, either from errors in DNA replication or from exposure to mutagenic agents. Mutations may happen in either coding or non-coding regions of the DNA, and they can be either silent or expressed.

Evolution is a natural process that results in the gradual change of inherited characteristics in populations over generations. It is the process of alteration in the inherited characteristics of species over successive generations. In other words, it is the process of gradual changes that happen to species over time as they adapt to their environments. It can be defined as a change in the gene frequency in a population over time.

Types of Evolution 1. Natural Selection 2. Genetic Drift 3. Gene Flow 4. Mutation 5. Non-Random Mating 6. Admixture 7. Mutation Pressure 8. Genetic Draft 9. Bottleneck and Founder Effect 10. Sexual Selection the process of evolution that involves a change in the DNA sequence that leads to evolutionary change is called a mutation.

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Answer:

Light Energy is converted to Chemical Energy

Explanation:

Answer:

Structurally, a typical bacterium usually consists of (1) a cytoplasmic membrane surrounded by a peptidoglycan cell wall and maybe an outer membrane, (2) a fluid cytoplasm containing a nuclear region (nucleoid) and numerous ribosomes; and (3) often various external structures such as a glycocalyx, flagella, and pili.

Explanation:

Answer:

Heyyy so B is 100% correct which means A is wrong, C is kinda weird but in a way it is correct and D does sound correct.

*B and D are correct sorry that C was wrong*

Answer:

this is a positive reaction because the hormones will cause oxygen to rise again

External features of bacterial cells include the cell wall, capsule, flagella, and pili. Boundary features include the plasma membrane and periplasmic space. Internal features include the cytoplasm, nucleoid, ribosomes, plasmids, and inclusions.

External features of bacterial cells:

1. Cell wall: A rigid structure that surrounds the cell, providing shape, support, and protection.

2. Capsule: A gel-like layer outside the cell wall that helps protect the bacterium from the host's immune system and promotes attachment to surfaces.

3. Flagella: Long, whip-like appendages that protrude from the cell surface and enable bacterial movement.

4. Pili: Short, hair-like appendages that help bacteria adhere to surfaces and participate in the transfer of genetic material during conjugation.

features of bacterial cells:

1. Plasma membrane: A selectively permeable membrane that separates the cell's internal components from the external environment, regulating the passage of substances into and out of the cell.

2. Periplasmic space: A region between the plasma membrane and the cell wall that contains various enzymes involved in nutrient acquisition and cell wall maintenance.

Internal features of bacterial cells:

1. Cytoplasm: A gel-like substance that fills the cell and contains various cellular components, including ribosomes, nucleoid, and inclusions.

2. Nucleoid: A region within the cytoplasm that contains the bacterial chromosome (DNA).

3. Ribosomes: Cellular structures responsible for protein synthesis.

4. Plasmids: Small, circular DNA molecules that can be found in the cytoplasm and carry additional genetic information.

5. Inclusions: Granules or vesicles within the cytoplasm that store nutrients, such as glycogen or lipid droplets.

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The distance is calculated out to be 13 meters and the displacement is calculated out to be 3 meters.

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Answer:

Hope this helps!!! Pls mark brainiest!!

Explanation:

Name: Elaina King

Date: 12/4/2020

1. The muscular system is composed of specialized cells called muscle fibers. Their predominant function is contractibility. Muscles, attached to bones or internal organs and blood vessels, are responsible for movement. Nearly all movement in the body is the result of muscle contraction. Exceptions to this are the action of cilia, the flagellum on sperm cells, and amoeboid movement of some white blood cells.

2.

Skeletal: It is a form of striated muscle tissue which is under the voluntary control of the somatic nervous system. Most skeletal muscles are attached to bones by bundles of collagen fibers known as tendons.

Smooth: composed of sheets or strands of smooth muscle cells. These cells have fibers of actin and myosin which run through the cell and are supported by a framework of other proteins.

Cardiac: It is an involuntary, striated muscle that constitutes the main tissue of the walls of the heart.

3. Voluntary muscles or striated muscles are those which work according to the one’s desire or are under control, whereas Involuntary muscles are not under one’s control. Biceps muscles, respiratory, alimentary and urogenital tracts are the places where voluntary muscles are found, while abdominal muscles, locomotory muscles, middle ear muscles, Diaphragm are the examples of the involuntary muscles.

4.

1st pic: Cardiac

2nd pic: smooth

3rd: Skeletal

5. Skeletal muscle is metabolically and mechanically maladapted to working as the muscle that causes the heart beat. The cardiac muscle has a much higher capacity to extract oxygen from the blood than any skeletal muscle with a higher mitochondrial density so the skeletal muscle heart would, at rest, be working at very near to its metabolic limits. This would not allow the body to do much exercise. The characteristics of skeletal muscle contraction are not the same as the characteristics of cardiac muscle contraction. Cardiac muscle is essentially a network of muscle fibers where most of the signal to contract is propagated by the fibers themselves and the contraction of the whole muscle occurs. The heart beat entails the whole heart contracting at a slower rate of contraction than skeletal muscle. I would conjecture that the relatively slow concentric beat of the whole heart would be better for pumping fluid than the more rapid beat of skeletal muscle. Nerves stimulate any number of motor units in skeletal muscle which, depending on how many nerves are activated, will allow fine gradations in muscle strength. This kind of control would not be necessary for the heart , so inefficient.

Answer: pls see the attached image {hope it makes sense}

The false statement about epigenetic modifications is:
c. Only non-DNA components of chromatin are modified with epigenetic markers.

Epigenetic modifications refer to changes in gene expression that do not involve changes to the underlying DNA sequence. These modifications can be inherited and can influence how genes are turned on or off in different cells or at different stages of development.

a. The tails of the nucleosome octamer components can be modified with methylation: This statement is true. Methylation of the tails of nucleosome octamer components, which are made up of histone proteins, can affect gene expression by either activating or repressing the associated genes.

b. The tails of the nucleosome octamer components can be modified with acetylation: This statement is also true. Acetylation of histone tails is another type of epigenetic modification that can influence gene expression. Acetylation generally leads to gene activation by relaxing the chromatin structure and allowing transcription factors to access the DNA.

d. Epigenetic modifications control whether a region is euchromatin or heterochromatin: This statement is true. Epigenetic modifications play a crucial role in determining whether a region of DNA is in a euchromatin state, which is more accessible for gene expression, or a heterochromatin state, which is more condensed and less accessible for gene expression.

In summary, the false statement is c. Only non-DNA components of chromatin are modified with epigenetic markers. Epigenetic modifications can occur on both DNA and non-DNA components of chromatin, such as histone proteins. These modifications can have significant impacts on gene expression and are essential for cellular development and function.

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Answer:

during conjugation, DNA is transferred from one bacterium to another. After the donor cell pulls itself close to the recipient using a structure called a pilus, DNA is transferred between cells.

Explanation:

hope this helps you;)

Answer:

the answer is conjunction

Answer:

1.check your BMI. 2.get a measuring tape. 3.get a body scale.

Explanation:

Sana maka tulong

Answer:

don't understand your questions please send again

Some of the matter taken in by an animal can be transferred to the next level of food chain because some of the matter has been consumed by the animal organism for natural processes.

Food chain is a term that refers to the food relationship that involves several species of a biological community. The trophic chain is based on the transfer of nutritive substances in which each species feeds on a preceding species and so on.

A peculiarity of the food chain is that not all the material that an animal species ingests is transferred to the animal that feeds on it. This is because part of this material has already been consumed as energy for all the natural processes of the body, so only a small part is transferred to the next.

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Answer:

Due to the high density of the oceanic plate.

Explanation:

can I get brainliest pls

Allen learned in his college biology class that, with respect to the sex chromosomes, the X chromosome is larger than the Y chromosome and has more genes.

The sex chromosome is the chromosome that is used for sex determination and which is different in male and female.

The sex chromosome found on human being are the X and Y chromosomes which appear in a combination of:

The X chromosome is bigger than the Y chromosomes because it contains more number of genes.

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Answer:

Meteors burn up in this layer to create shooting stars.

Explanation:

The mesosphere is a layer of the Earth's atmosphere that is located between the stratosphere and the thermosphere. It is the layer where most meteors burn up upon entering the Earth's atmosphere, creating shooting stars. The mesosphere is located at an altitude of about 50 to 85 kilometers above the Earth's surface. The layer is relatively thin and has low temperatures, and thus, it does not have much weather-related activity. The Northern lights are visible in the thermosphere, not in the mesosphere. Commercial airplanes fly through the lower layers such as the stratosphere, not the mesosphere.

Answer:

C

Explanation:

a difference in the pH of an environment changes enzymes activity

A valid conclusion from the graph is;  a difference in the pH of an environment changes enzyme activity.

An enzyme is a biological catalyst that promotes biochemical reactions in the body. Enzymes are specific in their actions. Enzymes act on particular substrates. There is an optimum pH of enzyme activity. The pH of an environment affects enzyme activity.

According to the graph shown, the activity of the enzyme is plotted against the pH of the environment. we can see from the graph that  a difference in the pH of an environment changes enzyme activity.

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A person cuts their finger. the process of mitosis help to repair the wound by Regeneration. Mitosis helps in cell growth and cell development.

A cut on the finger will heal over time over a few days This is empowered by a cycle called Mitosis. The process of mitosis is responsible for both repair and regeneration. The growth and development of cells are aided by mitosis. Cells can age and break down, or they can be sprains and bruises, but eventually, they repair and grow back.

Mitosis is the stage of cell division that leads to the formation of two new daughter cells. Both the parent cell and the newly formed daughter cells share the same genetic makeup.

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Answer:

The formula for cellular respiration is: glucose and oxygen result in carbon dioxide, water, and ATP (energy; adenosine triphosphate). In its molecular format, you would say: C₆H₁₂O₆ + 6O₂ = 6CO₂ + 6H₂O + ATP.

The evolutionary mechanism that likely underlies horn length in the bighorn sheep population at Ram Mountain, Canada is natural selection.

Researchers observed a significant decrease in average horn length of rams between 1973 and 1996, which coincided with intense trophy hunting. This suggests that hunters were selectively targeting rams with larger horns, leading to a decrease in the average horn length over time. However, after hunting regulations were implemented in 1996, which increased the minimum horn size for hunting, the number of rams killed decreased, allowing individuals with longer horns to survive and reproduce. This resulted in a rebound in horn length, indicating that natural selection favored individuals with longer horns.

Natural selection is a fundamental mechanism of evolution that acts on heritable traits within a population. In this case, the selective pressure imposed by trophy hunting exerted a strong influence on horn length in bighorn sheep. The initial decrease in average horn length can be attributed to selective hunting of rams with larger horns, as those individuals were more likely to be targeted and killed by hunters. This artificial selection altered the genetic composition of the population, favoring individuals with shorter horns.

However, when hunting regulations were modified to protect rams with shorter horns, the selective pressure was alleviated, allowing individuals with longer horns to have higher reproductive success. Over time, this led to an increase in average horn length as the genetic trait for longer horns became more prevalent in the population.

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Answer:

mine is a sheep

Explanation:

they’re cuddly and innocent, but my favorite part about them is that they stick together

Answer: Charles Darwin is an important person to learn about because he is the scientist who developed the theory of evolution by natural selection. This theory explains how species change over time through the process of natural selection, where individuals with traits that are better suited to their environment are more likely to survive and reproduce.

Darwin's theory of evolution by natural selection has had a profound impact on the scientific understanding of the natural world, and it is considered to be one of the most important scientific theories of all time. It has been supported by a vast body of scientific evidence and has helped to explain a wide range of phenomena in biology, including the diversity of life on Earth and the adaptations of organisms to their environment.

In addition to his contributions to science, Darwin is also an important figure in the history of science. He was one of the first scientists to systematically study and document the process of evolution, and his work laid the foundation for many of the advances that have been made in the field of biology over the past 150 years. His ideas have also had a significant impact on other fields, including psychology, sociology, and anthropology. As such, learning about Charles Darwin and his contributions to science can help us to better understand the natural world and the forces that shape it.

Answer:

Photosynthesis

Explanation:

Plant cells obtain energy through a process called photosynthesis. This process uses solar energy to convert carbon dioxide and water into energy in the form of carbohydrates.

Answer:

except with the earlier glucose give energy and gives strength to the body fit any exercises

Mammalian antibodies, and vaccines are the products produced by the genetically modified plants.

Transgenic (GM) plants are genetically modified using the recombinant DNA technology. This is to express genes that are not native to the plant or to alter endogenous genes. A protein encoded by a gene confers a particular trait or characteristic on that plant. Corn is the most widely grown crop in the United States, most of which he GMOs. Most GMO corn is made to resist pests or withstand herbicides. Bacillus thuringiensis (Bt) corn is a GMO corn that produces proteins that are toxic to certain pests but not humans, pets, livestock, or other animals.

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Answer:

c

Explanation:

did the test

Option C provides an accurate evaluation of the data. the f2 results support the claim by demonstrating that the white trait was transferred via meiosis even though it remained hidden in the f1 generation.

The data shown in the picture supports the claim that heritable information passes from one generation to the next through meiosis followed by fertilization. This conclusion can be drawn based on the results observed in the F2 generation. Option C correctly states that the F2 results support the claim by demonstrating that the white trait, which remained hidden in the F1 generation, was transferred via meiosis.

Meiosis is the process by which genetic information is shuffled and recombined, leading to the formation of gametes (sperm and egg cells) that contain a unique combination of traits from both parents. Fertilization then occurs when these gametes fuse, resulting in the creation of offspring with a mix of traits inherited from the parents.

The F2 generation is crucial in determining the mode of trait transfer because it allows for the observation of genetic segregation and recombination. The fact that the white trait reappeared in the F2 generation indicates that it was indeed passed down from the previous generation through meiosis.

Option A is incorrect because it suggests that the results of in vitro fertilization (Vito fertilization) are required to prove meiosis as the mechanism of trait transfer. However, the data presented in the picture already support the claim without the need for additional experimental techniques.

Option B is also incorrect because it suggests that a backcross between the P1 and F1 generations is necessary to provide support for the claim. While backcrossing can be informative in certain scenarios, it is not required to evaluate the data shown in the picture.

Option D is incorrect because it states that the two P1 results support the claim by demonstrating that the white trait did not show up in the F1 generation. This statement is incorrect as the data actually demonstrate the opposite: the white trait did appear in the F1 generation but remained hidden and reappeared in the F2 generation.

In conclusion, option C accurately evaluates the data by recognizing the significance of the F2 results in supporting the claim that heritable information passes from one generation to the next through meiosis followed by fertilization.

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Are you a chloroplast? Because you chlorophyll my heart. <33

There's this one:

"are you a chloroplast? Because you chlorophyll my heart <3"