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Xelga [282]
3 years ago
9

Specialized proteins that act as catalysts for chemical reactions are _____.

Biology
1 answer:
VashaNatasha [74]3 years ago
4 0
Enzymes are specialized proteins that speed up chemical reactions, biological catalyst.
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wolverine [178]

Answer: movement is always voluntary

Explanation:

Muscles are contractile:

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movement is always voluntary

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