All of the Following Occur During the Latent Period of Muscle

question 24

Multiple Choice

All of the following occur during the latent period of muscle contraction EXCEPT which one?

• A) Myofibrils shorten.
• B) Calcium is released from the sarcoplasmic reticulum.
• C) Muscle cell membrane initiates an electrical impulse, which travels into the muscle cell.
• D) Myosin heads bind to actin filaments.
• E) Troponin-tropomyosin complex shifts, exposing myosin heads.

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