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Nutka1998 [239]
4 years ago
10

What modification to the Myosin light-chain protein by MLCP likely causes the contraction to relax?

Biology
1 answer:
Dafna1 [17]4 years ago
8 0

Answer:

The options

A. Methylation

B. Dephosphorylation

C. Phosphorylation

D. Enzymatic transformation

The CORRECT ANSWER IS B.

B. Dephosphorylation

Explanation:

The regulation of the phosphorylation of myosin light chain (MLC) is a major step in the regulation of smooth muscle cell contraction.

The dephosphorylation of myosin light chain (MLC) occurs in smooth muscle tissue and causes the relaxation phase of the muscle cells. This step is controlled by the MLC phosphatase (MLCP).

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