What will be the mRNA sequence of the DNA strand it is replicating Is GACTTAGCG

Answer:

yes

Explanation:

In biology, a solution outside of a cell is called hypotonic if it has a lower concentration of solutes relative to the cytosol.

Answer:

ice /freezing fosilization results when the whole animal is preserved

Answer:

Hey mate.......

Explanation:

This is ur answer......

Diseases: In humans, drinking or consuming polluted water in any way has many disastrous effects on our health. It causes typhoid, cholera, hepatitis and various other diseases. Destruction of Ecosystems: Ecosystems are extremely dynamic and respond to even small changes in the environment.

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Rye grass plant flowers are exposed to the air. So, that they can be easily pollinated.

In order to facilitate fertilization and the development of seeds, pollination is the movement of pollen from an anther of a plant to the stigma of a plant, most frequently by an animal or by wind.

It is a crucial ecological survival mechanism. The human race and all terrestrial ecosystems on earth would not exist without pollinators.

In order to maximize the likelihood of pollination, wind-pollinated plants produce a lot of pollen. Additionally, it has a very, very light texture that makes it simple to fly away in the wind.

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Answer:

Hello There!! :D

Explanation:

Your answers are:

1. Convergent

2. Subduction

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- abakugosimp

Answer:

A. Convergent

B. Subduction

Explanation:

What type of plate boundary is illustrated in the image?

✔ convergent

What is the movement of one plate below another called?

✔ subduction

The trait appeared at point 4 on the phylogeny shown is Bulk flow.

B is the correct answer.

The movement of a fluid caused by a pressure gradient is referred to as bulk flow. The movement of molecules along a concentration gradient is known as diffusion. Both processes occur when a person breathes.

Wherever there exist air pressure gradients in a system, bulk or volume flow of air occurs. The thorax's bellows movement causes this visible airflow to occur.

Depending on physiologic requirements, bulk flow is necessary to carry huge volumes of liquid through the body. The environment may provide all the tissues with the nutrients they need, but bulk flow accelerates the pace of diffusion.

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The complete question is:

Which of the traits appeared at point 4 on the phylogeny shown?

A. cell signaling

B. bulk flow

C. adhesion gap junctions

D. differentiation of distinct cell types

Based on the information provided, I cannot see the specific phylogeny you are referring to. However, I can help you understand the terms "traits" and "phylogeny."

Traits are characteristics or features that organisms possess, such as physical attributes or behaviors. In the context of phylogeny, traits can be used to determine evolutionary relationships among organisms.

Phylogeny refers to the evolutionary history and relationships among organisms or groups of organisms. It is typically represented as a tree, with nodes representing common ancestors and branches indicating the evolutionary path.

To answer your question about which trait appeared at point 4 on the phylogeny, I would need more information or access to the specific phylogeny diagram you are referring to. Once I have that information, I would be happy to help you determine the trait at point 4.

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Answer: Because, if there was erosion, the earth could not get in touch with inner land, so erosion can happen on coastlines, rivers, canyons, or any thing that has a body of water.

Explanation:

Answer:

A karyotype is a test to identify and evaluate the size, shape, and number of chromosomes in a sample of body cells.

Explanation:

Chromosomes are shown graphically in the form of a person's karyotype. It displays the number, size and structural features of chromosomes.

Geneticists can find irregularities in chromosome number or structure by looking at the karyotype, which can reveal genetic diseases or illnesses. The 46 chromosomes that make up a typical human karyotype are divided into 23 pairs, one of which is made up of sex chromosomes.

Karyotyping can be used to identify abnormalities such as extra or missing chromosomes, deletions, duplications, translocations or inversions. In medical genetics, karyotyping is used for prenatal screening, genetic counseling, and diagnosis of genetic diseases.

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Answer:

A molecule of element is composed of at least two types of atoms.

Human gametes are haploid instead of diploid because during sexual reproduction, haploid gametes from each parent combine to form a diploid zygote. This allows for genetic diversity in offspring as each gamete contributes unique genes.

Meiosis I and Meiosis II are two separate cell division processes that occur in the production of gametes. During Meiosis I, homologous chromosomes are separated and cross-over occurs to exchange genetic material. In Meiosis II, the chromosomes separate to form four haploid cells.

Cytokinesis is the final step in cell division where the cytoplasm divides and the cell membrane pinches inward to separate the two new daughter cells.

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Answer:

Natural Selection

Explanation:

In population genetics, directional selection, or positive selection is a mode of natural selection in which an extreme phenotype is favored over other phenotypes, causing the allele frequency to shift over time in the direction of that phenotype.

Answer:

The discovery of cells by Robert Hooke in 1665 and the development of the cell theory by Matthias Schleiden and Theodor Schwann in 1838-1839 were separated by a 163-year gap because the scientific method and technology during this period did not allow for the systematic study and understanding of cells and their functions.

After Hooke's discovery of cells in cork, the scientific community was not immediately able to recognize the importance of the discovery. It took several decades for scientists to recognize that all living organisms were composed of cells, and this realization paved the way for the development of the cell theory.

The study of cells was also limited by the lack of proper technology and equipment during this period. Microscopes were not yet advanced enough to allow scientists to see the fine details of cells, and it was only with the development of more powerful microscopes in the 19th century that scientists were able to study cells in greater detail and develop the cell theory.

Furthermore, scientific progress during this time was slow due to the lack of collaboration and communication between scientists, as well as the limited funding and support for scientific research. It was only with the establishment of scientific societies and universities in the 19th century that scientific research became more systematic and collaborative, leading to the rapid advancement of scientific knowledge, including the development of the cell theory.

Hormones secreted into the hypophyseal portal system are delivered directly to the adenohypophysis.

The hypophyseal portal system is a specialized network of blood vessels that connects the hypothalamus to the pituitary gland (also known as the hypophysis). The pituitary gland consists of two main parts: the neurohypophysis (posterior pituitary) and the adenohypophysis (anterior pituitary).

When hormones are secreted by the hypothalamus, they are released into the hypophyseal portal system. These hormones then travel through this portal system, directly reaching the adenohypophysis. The adenohypophysis, being the anterior part of the pituitary gland, receives these hormones and subsequently releases its own hormones into the bloodstream.

Options A, C, and D are not correct choices because the neurohypophysis refers to the posterior pituitary, the median eminence is a specialized area of the hypothalamus where releasing hormones are released into the portal system, and the infundibulum is the stalk that connects the pituitary gland to the hypothalamus.

Therefore, the correct answer is option B, the adenohypophysis, as it is the part of the pituitary gland that directly receives the hormones secreted into the hypophyseal portal system.

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Answer:

Stem cells are the body's raw materials — cells from which all other cells with specialized functions are generated. Under the right conditions in the body or a laboratory, stem cells divide to form more cells called daughter cells. No other cell in the body has the natural ability to generate new cell types.

Explanation:

Answer:

Stem cells are the cells from which all other cells with specialized functions are generated.

Explanation:

Answer: C) Thymine

Explanation: 100% sure this is the answer! pls mark brainliest!

The evolution it is driven by natural selection and occurs over generations and doesn't happen overnight.

Evolution is the process of change and adaptation of living beings to changes in the environment over time.

With this information, we can conclude that The evolution it is driven by natural selection and occurs over generations and doesn't happen overnight.

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The term "closed" used by ecologists to describe Earth's global biogeochemical cycles means that option C is true - the total flux into each subsystem, such as the terrestrial subsystem, equals the total flux out.

This means that there is a balance between the amount of nutrients that enter and exit each subsystem, and as a result, Earth as a whole is neither gaining nor losing significant amounts of any nutrient. It is important to note that this does not mean that the size of each nutrient pool is fixed within each cycle, as nutrient pools can change over time due to various factors such as human activity and natural processes.

Overall, the closed nature of Earth's biogeochemical cycles ensures that the planet's ecosystems are able to maintain a balance of nutrients and energy, allowing for the sustainability of life.

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Water pollution is the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities.

Water pollution refers to addition of the undesirable substances to it that lower down its quality. Addition of industrial waste, domestic waste and sewage to water bodies pollute them. Oil spills reach water bodies through surface runoff.

Causes : Industrial wastes dumped into rivers , sewage dumped into rivers , oil spilled on land mixes with runoff .

Effects : fish die off , spread of disease , destroyed natural habitats

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Answer:

Cause:

: : liquid waste from smelting enters the water supply

: : water used as a cooling agent in power plants

Effect:

: : increased levels of contaminants such as chromium and lead

: : decreased dissolved oxygen levels

Explanation: Here's a pic

Answer:

Gene flow at work

Explanation:

Answer:

gene flow at work

The community must consider the trade-offs between the benefits of producing energy and the potential negative impacts of air pollution.

A garbage-to-energy plant is a type of waste management facility that generates electricity or heat by burning municipal solid waste (MSW) or other types of waste materials. The process involves incineration of waste at high temperatures, which releases heat and converts water to steam.

The steam then drives a turbine to generate electricity. This process not only produces energy but also reduces the amount of waste that ends up in landfills, which helps to address the growing problem of waste disposal and energy demand. However, the burning of waste can also lead to air pollution and other environmental impacts.

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Metaphase is the organization phase and anaphase is the separation phase.

A stage of cell division is called metaphase (mitosis or meiosis). Typically, each chromosome is dispersed throughout the cell nucleus. The nucleus of the cell disintegrates during metaphase, and the chromosomes gather and travel toward the Centre of the dividing cell. When studied under a microscope at this point, the chromosomes may be distinguished. In the laboratory procedure of karyotyping, defective chromosomes are found by using metaphase chromosomes.

Many years before we realized what that genetic material was, the ability to observe chromosomes under a microscope in metaphase allowed us to identify them as having the genetic material. Later research revealed that the genetic material in chromosomes contains information and is composed of proteins and DNA.

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The option that does NOT contain structures homologous to the human arm is b. dragonfly wing.

Homologous structures are those that share a common evolutionary origin but may have different functions in different organisms. In the case of a turtle flipper, bird wing, bat wing, and Tiktaalik fin, the underlying bone structure is similar to the human arm, indicating a shared ancestry.

On the other hand, a dragonfly wing is not homologous to the human arm because it does not share the same evolutionary origin. The dragonfly wing is composed of a thin, membranous material supported by veins, while the human arm consists of bones, muscles, and connective tissue. This difference in structure indicates that dragonfly wings and human arms evolved independently, adapting to their respective environments and functions. Therefore, Option B is correct, the dragonfly wing is not a homologous structure to the human arm.

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Chlorophyll a contains 6 oxygen (O) atoms.Chlorophyll b contains 6 oxygen (O) atoms.Beta Carotene contains 0 oxygen (O) atoms. Xanthophyll contains 4 oxygen (O) atoms.

Chlorophyll is the molecule responsible for photosynthesis in plants, algae, and cyanobacteria. It is a vital pigment that helps in converting light energy into chemical energy. Chlorophyll is composed of a porphyrin ring and a phytol chain. The porphyrin ring contains nitrogen, magnesium, and oxygen.

Chlorophyll a has a methyl group at the 3-position of the ring and a formyl group at the 7-position of the ring. Chlorophyll b differs from chlorophyll a in having a formyl group at the 8-position of the ring and a methyl group at the 3-position of the ring.

Beta Carotene is a type of carotenoid that does not contain any oxygen atoms. It is an organic compound that is made up of isoprene units. Beta Carotene is a yellow-orange pigment that is used as a precursor of vitamin A in animals.Xanthophyll is another type of carotenoid that contains four oxygen atoms. It is a yellow pigment that is found in leaves and other plant parts. Xanthophyll is similar to beta-carotene, but it contains oxygen atoms.

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The structure of a capillary wall differs from that of a vein or artery because Capillary walls have only endothelium and a basement membrane.

The structure of a capillary wall differs from that of a vein or artery because capillaries have a unique composition. Capillaries consist of a single layer of endothelial cells surrounded by a basement membrane. This simple structure allows for efficient exchange of gases, nutrients, and waste products between the blood and surrounding tissues.

Veins and arteries, on the other hand, have more complex structures. Veins have three tunics: an inner endothelium, a middle layer of smooth muscle, and an outer layer of connective tissue. Arteries also have three tunics but with a thicker layer of smooth muscle in the middle, which helps regulate blood flow and blood pressure.

Capillaries lack smooth muscle and connective tissue layers present in veins and arteries, as their main function is to facilitate the exchange of substances with the surrounding tissues. The thinness of the capillary wall allows for diffusion of oxygen, nutrients, and metabolic waste products across the endothelial cells, enabling essential functions such as oxygen delivery and removal of waste products.

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Answer:

federal regulations on genetic engineering are necessary to ensure that the technology is used safely and responsibly, and to prevent the potential risks and negative consequences that could arise without proper oversight.

Explanation:

There are several reasons why federal regulations on genetic engineering are necessary:

Preventing unethical practices

Ensuring safety

Protecting intellectual property

Promoting responsible innovation  

Government control over genetic engineering is necessary to ensure safety, address ethical concerns, protect traditional agriculture, and mitigate global risks.

Answer:

The answer is likely population or community

Explanation:

the reason that it is not an ecosystem is because an ecosystem is more than just than group of animals itself it also includes the water and things growing underneath it. The reason that it is not an individual is because there is more than one there (a group).

Answer:

it is X

Explanation:

i gust did the test