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shtirl [24]
3 years ago
10

Cohesin

Biology
1 answer:
slavikrds [6]3 years ago
4 0

Answer:

C

I inserted an image for reference.

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Which explanation best explains the role of enzymes as catalysts in living systems?
Katyanochek1 [597]
Enzymes are catalysts that can be used more than once. If a substance needs to get broken down then it can use the corresponding enzyme to attach itself and break it down into simpler substances. After this is gone, the next substance might come up and attach itself to the enzyme like a lock-and-key model.

Therefore the answer is A) Enzymes accelerate chemical reactions without getting used up in the process.
3 0
4 years ago
Which statement best explains how crossing over increases the genetic diversity of sexually reproducing organisms?
creativ13 [48]
Answer is: <span>A. During crossing over, genetic information is exchanged between two homologous chromosomes.
</span>Crossing over results in recombinant chromosomes<span> during </span>sexual reproduction, <span>increases the genetic diversity of sexually reproducing organisms.
</span><span>In crossing over matching regions on matching chromosomes break and then reconnect to the other chromosome.</span>
4 0
3 years ago
Dysfunctional breathing results in an increase in the activity level of which of the following secondary respiratory muscles
xxMikexx [17]

Answer:

Answer is A. Scalene.

Explanation:

Dysfunctional breathing is a breathing disorder , which is characterized by changes in breathing pattern. It can also be described as an alteration in normal breathing.

The scalene are muscles which are found at the neck, and act as accessory muscle of respiration.

3 0
3 years ago
Three populations of crickets look very similar, but the males have courtship songs that sound different. What function would th
saw5 [17]

Answer:

The correct answer will be option-B

Explanation:

A species is a group of similar organisms which interbreed with the individual of the same group of closely related individuals.

Species are reproductively isolated by various mechanisms, one of which is due to the behavior.

When the species are not able to reproduce to different species due to the differences in their behaviour in terms of mating rituals which could be due to different mating rituals or a different way of mating like observed in the grasshoppers is known as behavioral reproductive isolating mechanism.

In grasshoppers, the grasshopper's species cannot interbreed due to the differences in the mating songs as a part of the behavior.

Thus, Option-B is the correct answer.

4 0
3 years ago
Plastics, synthetic fabrics, and synthetic rubber are composed of chemicals that are derived from
SVEN [57.7K]
Petroleum Products

Petroleum and its products are mainly composed of carbon polymers (chains), as the backbone, with different structural and functional groups. Plastic, for example, is made of polypropylene and polybutylene which is mainly made of carbon atoms, whose monomers are linked in a chain to form polymers that make up the products.
Synthetic rubber on the other hand is made of copolymers of carbon and other addictives such as styrene. Synthetic fiber is made of nylon that is composed of a copolymer between carboxylic acid and amides.
3 0
3 years ago
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