select the products of the preparatory reaction and the krebs cycle after two turns. select all that apply.

In a certain organism with a diploid number of 10, the number of chromosomes present in each cell at different stages of mitosis would be as follows:

Interphase: During interphase, which is the resting phase of the cell cycle, the chromosomes are not condensed and appear as long, thin threads. The number of chromosomes remains the same as the diploid number, which is 10 in this case.

Prophase: Prophase is the stage where chromosomes condense and become visible. Each chromosome consists of two sister chromatids held together by a centromere. Therefore, the number of visible individual chromosomes would be twice the diploid number. So, in this case, there would be 20 chromosomes present in each cell during prophase.

Metaphase: In metaphase, the chromosomes align along the equatorial plane of the cell. Again, each chromosome consists of two sister chromatids. Therefore, the number of visible individual chromosomes would still be twice the diploid number. So, there would be 20 chromosomes present in each cell during metaphase.

Anaphase: Anaphase is the stage where the sister chromatids separate and move towards opposite poles of the cell. Each chromatid is considered a separate chromosome. So, the number of chromosomes would be twice the diploid number. Thus, there would be 20 chromosomes present in each cell during anaphase.

Telophase: Telophase is the final stage of mitosis where the separated chromosomes reach the poles of the cell and decondense. Each chromosome still consists of two sister chromatids. Therefore, the number of visible individual chromosomes would still be twice the diploid number. So, there would be 20 chromosomes present in each cell during telophase. It's important to note that these numbers represent the visible individual chromosomes and not the number of chromatids or DNA molecules.

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When a country' export exceed it import, the nation ha a  trade urplu.

The trade balance is considered to be favorable if exports outpace imports and the nation enjoys a trade surplus. The trade balance of a nation or region is said to be negative if imports outpace exports, creating a trade deficit.

When a country imports more than it sells over a specific time frame, there is a trade deficit. A negative balance of trade is another name for it (BOT). Different sorts of transactions, including those involving products, services, and goods and services, can be used to calculate the balance.

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Biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.

The term sea rise has to do with a situation in which there is a sudden increase in the sea level. This could lead to a sudden overflow of water into rivers lakes and ponds.

We know that sea water is salty, there is excess salt concentration in a sea water while fresh water does not contain salt at all. In these cases whereby there is an overflow of seawater, the water carries salt along with it. This implies that land and fresh water could become contaminated with this salt and that would have catastrophic effects on these ecosystems.

Since fresh water organisms can not tolerate a sudden increase in the concentration of salt in the ecosystem, biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.

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MISSING PARTS

When sea levels rise as rapidly as they have been, even a small increase can have devastating effects on coastal habitats farther inland. It can cause destructive erosion, wetland flooding, aquifer and agricultural soil contamination with salt, and lost habitat for fish, birds, and plants. What happens to biodiversity in coastal communities as the sea level rises?

A

Biodiversity increases due to the merging of salt water and fresh water ecosystems.

B

Biodiversity decreases because plants and animals adapted for fresh water will not survive and reproduce in a different environment.

C

Biodiversity decreases because there are fewer salt water species than there are fresh water species.

D

Biodiversity increases due to the survival of both fresh water and salt water species.

Answer:

polysaccharide

Explanation:

The most important structural component of plant cell walls is cellulose. Cellulose is a carbohydrate found in the cell wall of plants. The carbohydrate is a polysaccharide structure. Polysaccharide is made up of a long chain of several sugar units bonded together by chemical linkage. Polysaccharides examples are chitin, glycogen, cellulose, and starch. On average, a dry plant comprises 40 to 50 percent cellulose.

Answer:

They formed a revised model.

Explanation:

After seeing Franklin's x-ray images of DNA and her report on DNA's symmetry, Watson and Crick formed a revised model of DNA's structure i.e. a double helix with sugar-phosphate backbones that is running in opposite directions. Watson, Crick, Franklin, and Wilkins are co-discovered the double-helix structure of DNA, which formed a basis for modern biotechnology. Images taken by Franklin allowed James Watson and Francis Crick to create their two-strand, or double-helix, model.

Answer:

D

Explanation:

the littoral zone is close to the shore and is partially submerged with shallow water. It is the uppermost zone of the aquatic water body. It is the part of lakes, rivers, ponds and sea.

Answer:

d

Explanation:

edge

The two statements that describe engineering design problems rather than scientific research problems are as follows:

Thus, the correct options are A and D.

Scientific research may be defined as the process of methodical investigation into and study of materials and sources in order to derive facts and reveal new conclusions on the basis of evidence.

The engineering design may deal with the processes that are formulated by engineers in order to identify problems and devise solutions with respect to the improvement.

The creation of such objects that keep food cold without electricity is the process of engineering design as well as the development of chemical pesticides that protects the plants from insects and other predators are also formulated by engineers.

Therefore, the correct options for this question are A and D.

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Answer:

Convergent boundary

Explanation:

It's when the plates move together and subduction occurs when one plate moves underneath another on a convergent boundary. Volcanoes are found there.

P.S. Brainliest, please?

Answer:

A body attacks a transplanted organ because it does not recognize it as being made of self cells. It knows this because the new organ has antigens, a form of proteins that coat the organ. When a body's immune system recognizes these antigens and they are not similar enough to the body's own antigen's, it attacks to try and keep itself safe and healthy.

Explanation:

Answer:

you should have thrown the slides in a biohazard bag, so a is correcto

Answer:

It keeps going over and over again

Explanation:

The weathering and erosion process keeps going over and over again. Weathering comes first and then erosion, depending on the seasons the methods of weathering change and same goes for erosion

The choice that is a compound is D. sugar.

A compound is a substance composed of two or more different elements that are chemically combined in a fixed ratio. Sugar is a compound made up of carbon, hydrogen, and oxygen atoms in a specific ratio, which gives it its characteristic properties.

Nitrogen is an element and is not composed of different elements. Air is a mixture of different gases, including nitrogen, oxygen, and trace amounts of other gases, but it is not a compound. Steel is an alloy made up of iron and other elements, but it is also not a compound because the different elements in steel are not chemically combined in a fixed ratio.

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The microscope slide rests on the stage while being viewed and is therefore denoted as option B.

This refers to a type of instrument which is commonly used in the laboratory to view objects which are very small and are unable to be viewed by the eyes and is done by enlargement to different magnifications through different types of techniques.

The microscope slide rests on the stage while being viewed and there is a a hole in it to permit light to pass through both it and the specimen thereby allowing for accuracy in the observation process.

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The average atomic mass of copper is approximately 70.071329 amu.

To find the average atomic mass of copper, we need to take into account the percentage of each isotope and its respective mass.
The natural abundance of copper-63 is 69.17%, which has a mass of 62.929599 amu.
The natural abundance of copper-65 is 40.83%, which has a mass of 64.927793 amu.
To calculate the average atomic mass of copper, we use the following formula:
average atomic mass = (% abundance of isotope 1 x mass of isotope 1) + (% abundance of isotope 2 x mass of isotope 2)
Plugging in the values, we get:
average atomic mass of copper = (0.6917 x 62.929599 amu) + (0.4083 x 64.927793 amu)
= 43.542181 amu + 26.529148 amu
= 70.071329 amu

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Answer:

temperature and water

temperature in water are important abiotic factor that affects species distribution

Fungi differ from plants in that they do not reproduce by seeds and lack structures called "roots."

Fungi lack true roots. Instead, they possess a network of branching, thread-like structures called hyphae. Hyphae penetrate through organic matter, such as soil, decaying material, or living organisms, allowing fungi to extract nutrients. This mycelium (mass of hyphae) acts as the primary feeding structure of fungi. It absorbs nutrients from the surrounding environment, breaking down complex organic compounds into simpler forms that can be utilized by the fungus.

While some fungi form mutualistic relationships with plants, such as mycorrhizal associations where fungal hyphae extend into plant roots, these structures are not roots in the same sense as those found in plants. They serve different functions and have distinct anatomical and physiological characteristics.

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The frequency of carriers of a rare disease due to a recessive allele in a town of 20,000 assuming the population is in H-W equilibrium is 200 individuals.

In a town of 20,000 individuals, the frequency of carriers of a rare disease due to a recessive allele can be calculated using the Hardy-Weinberg equilibrium equation. This equation is used to predict the frequency of different genotypes in a population when certain assumptions are met. The assumptions include random mating, no mutations, no migration, large population size, and no natural selection.The frequency of carriers of the recessive allele is represented by the q value, and it can be calculated using the square root of the frequency of the disease. Thus, q = √(1/20,000) = 0.00707. The frequency of the dominant allele (p) is 1 - q = 0.99293. The frequency of homozygous dominant individuals (p²) is (0.99293)² × 20,000 = 19,733. The frequency of homozygous recessive individuals (q²) is (0.00707)² × 20,000 = 1. The frequency of heterozygous carriers (2pq) is 2 × 0.99293 × 0.00707 × 20,000 = 200 individuals.

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Answer:

C. Agricultural Production

Explanation:

Took same quiz and got 100%

Answer:

C. exocytosis

Explanation:

This term describes the process by which cells release substances from the cell.

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Answer:

Inferior venacava is a D vein

Vein is defined has been defined as the blood vessel that carries blood to the heart from tissues and organs in the body.

The arteries, which are three-layered blood vessels, transport oxygen-rich blood from the heart to the body's tissues. The three-layered blood channels known as arteries carry oxygen-rich blood from the heart to the body's tissues.

Collagen and elastic fibres are present in the connective tissues that make up the outer layer, which supports the blood artery. The intermediate layer is composed primarily of elastic fibres, collagen, and smooth muscles.

The flexibility and strength are provided by this layer. The wall may stretch because of its elastic fibres. Because of the smooth epithelial cells that make up the inner endothelium, friction is reduced. In terms of structure, veins and arteries are comparable, with the exception of these three thin and elastic layers.

Therefore, Vein is defined has been defined as the blood vessel that carries blood to the heart from tissues and organs in the body.

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In many laboratory animals, increased aggression is associated with social dominance. The dominant individuals, often characterized by higher aggression levels, establish and maintain their position at the top of the social hierarchy.

Increased aggression in laboratory animals, including mice, rats, and monkeys, is often linked to social dominance. In hierarchical social structures, animals compete for resources, such as food, mates, or territory. The dominant individuals, often characterized by higher aggression levels, establish and maintain their position at the top of the social hierarchy.

Aggression serves as a means for animals to establish dominance and defend their status within the group. Dominant individuals exhibit assertive behaviors and are more likely to engage in aggressive encounters with subordinate individuals.

This aggression can manifest in various forms, including threat displays, physical attacks, or territorial defense. The association between increased aggression and social dominance in laboratory animals is well-documented and studied.

Understanding the factors influencing aggression and social hierarchies in these animals provides insights into their behavior, social dynamics, and potential implications for research, particularly in areas such as neuroscience, psychology, and animal welfare.

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Answer:

True

Explanation:

They move it from low concentration to high concentration.

I hope it helps! Have a great day!

If you have concerns about alcohol consumption or its effects on your health, it is advisable to consult with a medical professional who can provide personalized guidance and support.

Excessive alcohol consumption can indeed have detrimental effects on the body, including the potential for increased blood ammonia levels. Alcohol metabolism involves a process called ethanol oxidation, which primarily occurs in the liver. I'll explain the link between alcohol metabolism and elevated blood ammonia levels.

Ethanol metabolism: When you consume alcohol, it is primarily metabolized in the liver by a series of enzymatic reactions. The primary enzyme involved is alcohol dehydrogenase, which converts ethanol into acetaldehyde. Acetaldehyde is further metabolized by another enzyme called acetaldehyde dehydrogenase, ultimately forming acetate.

Acetate metabolism: Acetate, the end product of alcohol metabolism, can be further broken down into carbon dioxide and water in a process called the tricarboxylic acid cycle (TCA cycle) or citric acid cycle. This process occurs in the mitochondria of liver cells and generates energy for the body.

Competition for enzyme systems: Ethanol metabolism can lead to an increased demand for the enzyme systems involved in the breakdown of acetate. This increased demand may limit the availability of these enzymes for other important metabolic processes, including the breakdown of ammonia.

Impaired ammonia metabolism: Normally, the liver plays a crucial role in ammonia metabolism. It converts ammonia, a toxic waste product generated during protein breakdown, into urea—a less toxic compound that is excreted in urine. However, when alcohol metabolism is prioritized, the liver may have reduced capacity to effectively metabolize ammonia.

Elevated blood ammonia levels: If the liver's ability to metabolize ammonia is compromised due to alcohol metabolism, blood ammonia levels can increase. Elevated ammonia levels in the blood, a condition known as hyperammonemia, can be toxic to the central nervous system and may lead to symptoms such as confusion, drowsiness, and even coma in severe cases.

It's important to note that the link between alcohol metabolism and elevated blood ammonia levels is complex and can vary based on factors such as individual differences in metabolism, overall liver health, and the amount and frequency of alcohol consumption. Nonetheless, excessive and chronic alcohol consumption can contribute to these issues.

If you have concerns about alcohol consumption or its effects on your health, it is advisable to consult with a medical professional who can provide personalized guidance and support.

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Answer:

yes cicada kills bugs for us

Answer: It is C.hydrolysis

Explanation:

The part whose main job is to direct a plant cell's activities by sending instructions to different parts of the cell is the nucleus. It directs the cell's activities in the plant and animal cells.

Plant cells are eukaryotic cells with a genuine nucleus and particular organelles to carry out particular tasks. Plant cells do, however, include several organelles that are unique from those seen in other eukaryotic cells.

Roots, stems, leaves, flowers, and reproductive structures are only a few of the major classes of cells and tissues that are formed when plant cells differentiate from undifferentiated meristematic cells, which are similar to the stem cells of animals. Nucleus part main job is to direct a plant cell's activities by sending instructions to different parts of the cell.

Therefore, The part whose main job is to direct a plant cell's activities by sending instructions to different parts of the cell is the nucleus. It directs the cell's activities in the plant and animal cells.

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The ancestors of NWMs (New World monkeys) got to South America from their genetic ancestral "home" in Africa through the following means: By crossing a land bridge between continents.Option (a) is correct.

What are New World Monkeys?New World monkeys are native to Central and South America, and are characterized by their flattened noses, prehensile tails, and a broad range of physical sizes. They are very much distinct from Old World monkeys, who are native to Africa and Asia.What was the significance of the land bridge between South America and Africa?

A land bridge that connected South America and Africa existed around 30-40 million years ago. The animals, including primates, were free to migrate back and forth between the two continents, and this migration route may have been used by New World monkeys' ancestors to travel to South America and colonize it.Thus, the ancestors of NWMs got to South America from their genetic ancestral "home" in Africa by crossing a land bridge between continents.

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