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  • The proteins involved in the contraction of the muscle fi...
Multiple choice

The proteins involved in the contraction of the muscle fibres are:

  1. histones and protamines

  2. keratin and scleroprotein

  3. actin and myosin

  4. albumins and globulins

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Actin and myosin are the two primary contractile proteins that interact to cause muscle fiber contraction.

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