Multiple Choice
The ________ is the functional unit of skeletal muscle because it is the smallest portion of the skeletal muscle capable of ___________.
A) muscle fiber, receiving a stimulus
B) muscle fiber, contracting
C) sarcomere, contracting
D) sarcomere, receiving a stimulus
E) myofibril, contracting
Correct Answer:

Verified
Correct Answer:
Verified
Q4: Which of the following muscles most likely
Q5: A condition known as flaccid paralysis:<br>A) arises
Q6: The _ phase is the time between
Q7: A _ is a single muscle cell.<br>A)
Q8: Smooth muscle<br>A) has no distinct sarcomeres.<br>B) contracts
Q10: Muscle fibers<br>A) have a relatively high metabolic
Q11: The _ is the smooth ER of
Q12: In skeletal muscle contraction and relaxation, calcium
Q13: Connective tissue that surrounds the fasciculi is
Q14: Slow-twitch muscle fibers<br>A) are the predominant type