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Vera_Pavlovna [14]
2 years ago
12

Radiation can cause breaks in human chromosomes. However, insects can survive much higher lecels of exposure. Why?

Biology
1 answer:
galben [10]2 years ago
4 0

Explanation:

The influence from radioactivity is inversely proportional to the number of chromosomes , since , humans have more DNA , chromosomes than the insects , and  therefore , due to less chromosomes in insects , they are more resistant towards radioactivity .

As the target of the radiation is the DNA .

Hence , It is clear that insect due to lesser DNA are less prone to Radiations .

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What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts? a synerg
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Answer:

The correct answer will be option-a synergist

Explanation:

In the musculoskeletal system, the muscles to produce a movement work in group or pairs like hamstrings and quadriceps or biceps or triceps.  The muscles which work is known as an agonist or prime mover.

The muscle which helps prime mover by moving in the same direction and at the same time is known as synergists. The synergists produce a similar motion as the prime mover and also stabilizes the joints which hold the position for smooth movement of agonist.

Thus, synergist is the correct answer.

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