Skeletal muscle fibers differ from "typical cells" in that these muscle fibers
A) lack a plasma membrane.
B) have many nuclei.
C) are very small.
D) lack mitochondria.
E) all of the above
Correct Answer:
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Q5: Muscle fascicles are separated by
A) endomysium.
B) perimysium.
C)
Q5: The enzyme acetylcholinesterase causes acetylcholine to
A) decompose.
B)
Q6: The area between Z lines is the
A)
Q6: The advantage of having many nuclei in
Q7: The tropomyosin molecules are attached to
A) actin
Q11: The area of the sarcomere that contains
Q13: The _ contains vesicles filled with acetylcholine.
A)
Q14: The terminal cisternae are parts of the
A)
Q15: The striated appearance of skeletal muscle results
Q20: Myofibrils are made primarily of
A) actin and
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