A muscle cramp is a sudden, painful contraction of a muscle, during which movement is difficult. What is happening at the cellul

Question

3 years ago

15

A muscle cramp is a sudden, painful contraction of a muscle, during which movement is difficult. What is happening at the cellul

ar level during a
muscle cramp?
A. Myosin and actin do not fully detach, so the muscle cannot relax
B. A lack of calcium causes the sarcomeres to lock together, preventing relaxation.
C. The motor neuron does not send a signal, so the muscle cannot relax.
D. The proteins in the myofibrils become denatured, preventing relaxation.

Biology

1 answer:

rewona [7] · Answer 1 · 2022-02-10T22:07:02+03:00

rewona [7]3 years ago

6 0

Answer:

The correct answer would be B

Explanation: