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Dahasolnce [82]
3 years ago
11

Mitochondria, the organelles involved in cellular respiration, can also generate chemicals called reactive oxygen species (ROSs)

. ROSs can damage mitochondria. Damaged mitochondria generate more ROSs than healthy mitochondria. Is this an example of negative or positive feedback?
Biology
1 answer:
alexira [117]3 years ago
3 0

Answer:

f

Explanation:

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Antibodies have a variable region that binds to a specific antigenic determinant.

Antibody

An antibody (Ab), also known as an immunoglobulin (Ig), is a large, Y-shaped protein used by the immune system to identify and neutralize foreign objects such as pathogenic bacteria and viruses. The antibody recognizes a unique molecule of the pathogen, called an antigen. Each tip of the "Y" of an antibody contains a paratope (analogous to a lock) that is specific for one particular epitope (analogous to a key) on an antigen, allowing these two structures to bind together with precision. Using this binding mechanism, an antibody can tag a microbe or an infected cell for attack by other parts of the immune system or can neutralize it directly (for example, by blocking a part of a virus that is essential for its invasion).

To learn more about the antibody refer here:

brainly.com/question/13981216

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6 0
1 year ago
2) If a species of anoles with dark dewlaps colonized a heavily forested island, predict what would happen over time to the colo
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 Due to natural selection in finding a mate, t<span>he </span>color<span> of the </span>dewlap would start to lighten slightly in order also to <span>adapt to their surroundings.</span>
7 0
3 years ago
All of the above steps take place during what phase of the cell cycle
zheka24 [161]
Before a cell can enter cell division, it needs to take in nutrients. All of the preparations are done during interphase.<span> Interphase is a series of changes that takes place in a newly formed cell and its nucleus, before it becomes capable of division again. It is also called preparatory phase or intermitosis.</span>
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3 years ago
What color marble represent the female chromosomes?​
Andre45 [30]

Answer:

it is colour less their is no colour ...

8 0
3 years ago
What does primary productivity measure?
Goshia [24]
It measures the total rate at which photosynthesis or chemosynthesis happens in a system.
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