What happens when atp binds to myosin heads during muscle contraction?
a. calcium ions are re...
What happens when atp binds to myosin heads during muscle contraction?
a. calcium ions are released from the sarcoplasmic reticulum.
b. calcium ions are taken up by the sarcoplasmic reticulum.
c. cross-bridges between myosin heads and actin filaments are broken.
d. myosin heads form cross-bridges with actin filaments.
Answers: 1
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