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Home Q & A Board Biology-Related Homework Help Cell Biology
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barry barry
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Posts: 11630
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10 years ago
Which of the following events occurs first?
A) Myosin cross-bridges attach to actin.
B) Calcium ions are released from the sarcoplasmic reticulum.
C) Calcium binds to troponin.
D) The myosin head pivots toward the M line.
E) The myosin head binds ATP and detaches from actin.
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Neji513Neji513
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10 years ago
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barry Author
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#2
10 years ago
Thanks Slight Smile
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