Multiple Choice
What is the power stroke?
A) A protein found along the groove of the F-actin double helix
B) A T tubule and two adjacent terminal cisternae
C) The combination of myosin heads with active sites on actin molecules
D) The movement of myosin head while attached to actin myofilament
E) After exercise, the O2 taken in that exceeds the O2 required for resting metabolism
Correct Answer:

Verified
Correct Answer:
Verified
Q16: ATPase is found in<br>A) F-actin strands.<br>B) G-actin
Q17: Which of the following is NOT true
Q18: A lack of glycolytic enzymes within skeletal
Q19: Identify the statement concerning general functional characteristics
Q20: Skeletal muscle fibers<br>A) possess striations.<br>B) can contract
Q22: What is the role of pacemaker cells?<br>A)
Q23: Acetylcholine binds to a membrane bound receptor
Q24: Due to the pattern of innervation of
Q25: Troponin<br>A) has two subunits.<br>B) is part of
Q26: The capacity of a muscle cell to