How Does Tropomyosin Control Muscle Contraction

question 105

Multiple Choice

How does tropomyosin control muscle contraction?

• A) It provides a bridge between actin and myosin.
• B) It provides a site where ATP can be utilized.
• C) Changes in its conformation expose actin-myosin binding sites.
• D) It transmits an electric charge to the filaments.
• E) Changes in its shape open membrane channels.

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