PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Actin and myosin belong to which group of biological molecules?
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Proteins
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Carbohydrates
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Lipids
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Nucleic Acid
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Explanation:
Detailed explanation-1: -Individual actin molecules are globular proteins of 375 amino acids (43 kd). Each actin monomer (globular [G] actin) has tight binding sites that mediate head-to-tail interactions with two other actin monomers, so actin monomers polymerize to form filaments (filamentous [F] actin) (Figure 11.2).
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