Prior to muscle fiber stimulation
A) the sarcomeres are contracted.
B) the myosin heads are in the resting position.
C) the myosin heads are activated.
D) calcium is sequestered in the sarcoplasmic reticulum.
E) all of these occur.
Correct Answer:
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Q25: Q28: Energized myosin heads bind to actin only Q36: Breaking actin-myosin bonds requires Q37: Action potentials in muscle fibers cause Q46: Functionally, the plasma membrane of a muscle Q47: Which mature tissue has nutrient canals? Q52: Sarcomeres consist of a zone and several Q53: Which of the following is NOT associated Q55: The gastrocnemius muscle is located Q56: Contraction of the biceps muscle
A) ATP.
B) ADP.
C) calcium.
D)
A) the
A)skin
B)bone
C)cartilage
D)epithelial
E)muscle
A)in the forelimb.
B)on
A)extends the arm.
B)extends
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