In a Skeletal Muscle Contraction, Which of the Following Undergoes

question 17

Multiple Choice

In a skeletal muscle contraction, which of the following undergoes a conformational change when it binds to a specific ion and then uncovers the crossbridge binding site by causing another factor to be moved to the grooves in the actin double helix?

• A) ATP
• B) Ca²⁺
• C) acetylcholine
• D) troponin

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