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mrs_skeptik [129]
3 years ago
5

QUESTION 17

Biology
1 answer:
svet-max [94.6K]3 years ago
4 0

The 4 proteins that are involved in muscle contraction are:

Thick filaments contain myosin, thin filaments contain actin , troponin and tropomyosin.

Hence, the answer is "Catt."

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