Which statement about excitation- contraction coupling is incorrect?
A) Troponin binds calcium ion and signals tropomyosin to move.
B) Calcium ion is released from the transverse tubule.
C) Calcium ion is released from the sarcoplasmic reticulum.
D) Relaxation requires uptake of calcium ion by the sarcoplasmic reticulum.
E) Tropomyosin moves to expose myosin binding sites on actin.
Correct Answer:
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Q21: Figure 10-1 Skeletal Muscle Fiber Q23: Each skeletal muscle fiber contains _ myofibrils. Q76: Q77: Which of the following best describes the Q80: Muscular force can be adjusted to match Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents![]()
A)50![]()