In order to allow discrete contractile events to occur, calcium is rapidly removed from the cytoplasm via
A) calcium- binding proteins on the sarcoplasmic reticulum.
B) calcium pumps (active transport of calcium) .
C) calcium- sequestering proteins in the cytoplasm.
D) ryanodine channels.
E) dihydropyridine receptors.
Correct Answer:
Verified
Q20: The shortening of a skeletal muscle fiber
Q21: The decreased ability of a muscle to
Q22: Calcium binds to calmodulin where?
A)smooth and cardiac
Q23: What is a motor unit?
A)all the myofibrils
Q24: What is the protein component of the
Q26: Where does calcium bind to troponin?
A)skeletal and
Q27: Intercalated disks contain what type of special
Q28: Which of the following stores calcium to
Q29: In the body, the sarcomere length of
Q30: A skeletal muscle is composed of a
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