what are the major differences between somatic (body) cells and sex (germ) cells in eukaryotes.

Answer:

During the mitotic (m) phase , the cell separates its DNA into two sets and divides it's cytoplasm forming two new cells

Oncogenic viruses are a group of viruses that have the ability to cause tumors to develop in their host cells. These viruses are known to be genetically unstable, which allows them to easily mutate and adapt to different environments.

In some cases, oncogenic viruses can also cause acute infections, which can be harmful to the host organism. Unlike some viruses that have no effect on the host cell, oncogenic viruses can be lytic and kill the host cell in the process of replicating themselves. Overall, oncogenic viruses are a serious concern in the field of virology due to their ability to cause cancer and other diseases.

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The correct answer is iterative evolution. A crocodile-like morphology evolved independently in a group of Triassic reptiles called phytosaurs, and later, after phytosaurs were extinct, in true crocodiles. This is an example of iterative evolution.

Iterative evolution is the development of similar structures or forms independently over time in separate lineages. This is frequently seen in unrelated lineages of organisms that evolve similar features through convergent evolution. The crocodile-like morphology that evolved independently in Triassic reptiles called phytosaurs and later in true crocodiles is an example of iterative evolution as they evolved independently in separate lineages. The ability of the phytosaurs to thrive in an aquatic environment likely contributed to the development of this morphology, which later allowed true crocodiles to similarly thrive.

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Answer:

D. The shape and structure of the beak are inherited and help the pelican survive in its environment

Explanation:

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Answer: b c d

Explanation:

Hkk

The shifts of the hydrogen absorption spectrum of a galaxy provide evidence for :

B. Temperature of the galaxy

C. Motion of the galaxy

D. Composition of the universe

Thus, the three correct answers are B, C and D.

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Unicellular organisms are living things made up of only one cell. For example, bacteria and yeast are unicellular. Multicellular organism are made up of more than one cell. Some examples of a multicellular organisms are humans and animals.

The life-cycle theory of consumption can be summarized as follows: people want instant gratification and seldom worry about the future. The correct option is (B).

This statement is incorrect. The life-cycle theory of consumption actually suggests the opposite. According to this theory, individuals adjust their consumption patterns over their lifetime to ensure a smooth and consistent level of consumption.

It recognizes that individuals have different income and expenditure patterns at different stages of their life.

The theory posits that individuals tend to save and accumulate wealth during their working years when their income is higher.

This allows them to maintain their consumption levels during retirement when their income typically decreases. Retired people are expected to draw from their accumulated savings to support their consumption needs.

In contrast, working individuals often have higher consumption needs due to various factors such as raising a family, paying off debts, and investing in education or housing.

They may have less disposable income available for saving during this phase of their life.

Therefore, the life-cycle theory of consumption suggests that retired people need to draw on their savings accumulated during their working years to support their consumption, and it emphasizes the importance of long-term financial planning and saving.

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Answer:

Besides wildfires, human settlements affect neighboring ecosystems through biotic processes, including exotic species introduction, wildlife subsidization, disease transfer, landcover conversion, fragmentation, and habitat loss.

Animals most readily learn the specific associations that promote B. survival.

In general ,the Classical conditioning is a form of associative behavior, when the behavioral feedback is mediated by conditioned stimulus. Example may include dogs that produce reflex response of salivation at time they are trained with a sound stimulus.

Also , the learned behavior gets developed when an organism response as a result of experience. on the other hand Learned behaviors comes with innate behaviors, which are genetically taken and can work without any prior experience .

Hence, B is the correct option

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Answer:

The genotype must be AB. Someone with blood type O has neither the A nor the B allele.  

Explanation:

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brainliest for the brains:)

Testosterone is the correct answer.

Pythium is a soil-borne fungal pathogen that can infect plant roots, causing a disease known as pythium root rot.

When plants are infected with Pythium, the fungus can colonize and damage the root tissues, including the root hairs responsible for water and nutrient uptake. As a result, the infected roots may not be able to take up water effectively from the soil, which can lead to reduced water availability in the plant tissues. This can then disrupt the transpiration stream, which is the process by which water is transported from the roots to the leaves of the plant. The disruption of the transpiration stream can cause wilted leaves, stunted growth, and even plant death.

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Answer:

E

Explanation:

Because all of those would be true if talking about victory gardens. Have an AWESOME day. :)))

Answer:

E) All of the above

The nutrition and genetics are linked as: (1) genes determine nutrient requirements; (2) genes influence development of some nutritional diseases; and (3) nutrients affect gene expression.

Nutrition refers to the phenomenon of intake of nutrients through the food. A food product is said to be nutritious if it consists of some beneficial nutrient like vitamins, good fat, right amount of carbohydrates, etc. Nutrients are essential for the body to healthy and active.

Gene expression refers to the process which transforms the information encoded in the DNA into its functional form, i.e., proteins. The gene expression is comprised of three processes: replication, transcription and translation.

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a. structural normality

Normal is often a relative term, and can be viewed in various contexts. In the context of psychology, normal can refer to a variety of distinct meanings.

Structural normality refers to the physical characteristics and structure of a person, such as their brain organization or blood pressure. Functional normality refers to the way a person behaves, and whether they follow the norms of society. Statistical normality refers to the comparison of a person's behavior to the average or typical behavior of a specific population, while cultural normality refers to the acceptance of behavior by a particular cultural group.

Moral normality is perhaps the most abstract of the meanings of normal, and refers to the way an individual's behavior is viewed in terms of whether it is ethical or moral.

Psychologists and psychiatrists both work in the field of mental health, but their roles and abilities differ. Psychologists have a broad knowledge of psychology and are able to conduct research and assessments, as well as provide psychological interventions. Psychiatrists, on the other hand, are able to prescribe medications and may work in hospital settings, providing a different level of care than psychologists.

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Answer:

Hypothesis is a educated guess

Explanation:

The statement is false. ADH (antidiuretic hormone) is not released from the anterior lobe of the pituitary gland.

The pituitary gland, also known as the hypophysis, is divided into two main parts: the anterior lobe (adenohypophysis) and the posterior lobe (neurohypophysis). The posterior lobe of the pituitary gland is responsible for the storage and release of ADH, also known as vasopressin.

ADH is produced by specialized neurons in the hypothalamus, which is a region of the brain. These neurons send their axons down through the pituitary stalk and into the posterior lobe of the pituitary gland. ADH is then stored in vesicles within the nerve endings in the posterior lobe. When the body needs to regulate water balance, ADH is released into the bloodstream.

Therefore, the correct statement is that ADH is released from the posterior lobe, not the anterior lobe, of the pituitary gland.

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Answer:

Food webs largely define ecosystems, and the trophic levels define the position of organisms within the webs. But these trophic levels are not always simple integers, because organisms often feed at more than one trophic level. For example, some carnivores also eat plants, and some plants are carnivores.

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Explanation:

An organism can be there in more than one trophic level by being there in food web.

All the food networks in a single ecosystem make up a food web. Each organism in an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as they move through the ecosystem.

A food web is made up of all the linked and overlapping food systems in an ecosystem.

The trophic levels are divisions into which organisms in food webs are categorized. These levels can be roughly categorized as producers (first trophic level), consumers, and decomposers (last trophic level).

Therefore, An organism can be there in more than one trophic level by being there in food web.

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There were a large number of pure varieties and relatively short generation time. It was one of the few plants that can be grown in a garden as well as can self-fertilize.

Mendel select pea plants as a subject for his experiments because the flowers of pea plant are bisexual, self-pollinating means both male and female present on the same flower so self and cross-pollination can be done easily.

The different physical characteristics of the pea plant were easy to study. The garden pea had a relatively short generation time means it can complete its lifecycle in short period of time. It was one of the few plants that can be grown in a garden easily.

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Answer:the garden pea had a relatively short generation time

They were a large number of pure varieties

Earlier investigations had produced hybrid peas

Garden peas can self-fertilize

Explanation:

Even if all the cells have the same DNA they biochemical function are different, that's because differents sets of genes must be turned on and off in each cell type by the action of enzymes and other molecules. Each cell have the same 20,000 or so genes but they are biochemically selected by the action of molecules as hormones and chemical signaling. Therefore, different cells use different parts of the DNA code as directions.

a. Ryan’s interest after the four years is $131.44.

b. Ryan’s balance after four years will be $906.44

c. The interest Ryan’s account earn the first year is $32.86

d. The interest Ryan’s account earn the fourth year is $131.44

e. Brian’s interest after the first year is $32.86.

f. Brian’s balance after the first year is

From the information, Ryan deposits $775 in an account that pays 4.24% simple interest for

four years. The interest rate will be:

= (775 × 4.24% × 4)

= $131.44

Brian deposits $775 in an account that pays 4.24% simple interest for one year. The interest will be:

= (775 × 4.24% × 1)

= $32.86

Ryan’s balance after four years will be:

= $775 + $131.44

= $906.44

Brian’s balance after the first year will be:

= $775 + $32.86

= $807.86

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During the formation of a peptide bond, the attacked atom is the carbon atom in the carboxyl group of one amino acid.A peptide bond is a type of covalent bond that links amino acids into a chain that eventually folds into a protein's three-dimensional structure.

The amino acids are connected by peptide bonds, which form when the carboxyl group of one amino acid reacts with the amino group of another.What is the reaction in peptide bond formation?Peptide bond formation is a condensation reaction, which means it removes a molecule of water (H2O) from the two amino acids being joined. One amino acid's carboxyl group (COOH) reacts with another amino acid's amino group (NH2) (NH3+ after losing an electron).

The reaction creates a peptide bond between the amino and carboxyl groups, as well as a molecule of water (H2O). The carboxyl carbon in one amino acid and the nitrogen in another amino acid are connected by a peptide bond. So, the long answer to the question is that during the formation of a peptide bond, the attacked atom is the carbon atom in the carboxyl group of one amino acid.

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Explanation:

prophase,metaphase,anaphase, and telophase

The brain floats within cerebrospinal fluid, which is contained within the subarachnoid space. Cerebrospinal fluid (CSF) is a clear, colorless liquid that surrounds and protects the brain and spinal cord.

It is produced in the ventricles of the brain and flows through the subarachnoid space, a space between the arachnoid mater and pia mater, two of the layers of protective tissue that surround the brain and spinal cord.

CSF serves several important functions. It provides a cushion for the brain and spinal cord, protecting them from injury caused by sudden movements or blows to the head. It also helps to maintain a stable environment for the brain by regulating the pressure inside the skull and removing waste products from the brain.

The subarachnoid space, where the CSF flows, is located between the arachnoid mater and pia mater, two of the three layers of protective tissue that surround the brain and spinal cord.

The pia mater is the innermost layer, closely adhering to the brain and spinal cord, while the arachnoid mater is the middle layer. The subarachnoid space is filled with CSF and contains delicate blood vessels that supply nutrients and oxygen to the brain.

In summary, the brain floats within cerebrospinal fluid, which is contained within the subarachnoid space, a space between the arachnoid mater and pia mater. This protective system helps to cushion the brain and spinal cord, regulate pressure, and maintain a stable environment for the brain.

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A formal letter should be written to the government regarding solutions to ecological issues.

Ecological issues refer to problems or challenges that arise in relation to the environment and its ecosystems. These issues often involve the interaction between human activities and the natural environment. It leads to negative impacts on the balance and functioning of ecosystems. They can be resolved by enacting environmental laws.

A formal letter is a type of written communication that follows a specific format and tone. It is typically used for official or professional purposes, such as in business, academia, government, or legal settings.

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Answer:

the answer to your question C, B, A, D