Which statement is true of most arthropod and vertebrate skeletal muscle?
A) Muscle fibers are innervated by multiple neurons.
B) Muscle fibers receive both EPSPs and IPSPs.
C) Different myosin isoforms in adjacent fibers produce different maximum shortening velocities.
D) Ca2+ is released from the sarcoplasmic reticulum in response to depolarization of the fiber.
Correct Answer:
Verified
Q52: Slow oxidative fibers in skeletal muscle have
A)
Q53: The small diameter of slow oxidative muscle
Q54: The extraocular muscles that move the mammalian
Q55: A vertebrate motor unit consists of
A) a
Q56: The force that a particular vertebrate skeletal
Q58: Which statement provides the most likely explanation
Q59: Smooth muscle cells possess which component?
A) Sarcoplasmic
Q60: Single-unit smooth muscle differs from multiunit smooth
Q61: For contraction to occur in smooth muscle,
A)
Q62: ATP use is lower in smooth muscle
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