Since each myofibril is attached at either end of the muscle fiber,when sarcomeres shorten,the muscle fiber
A) lengthens.
B) shortens.
C) strengthens.
D) weakens.
E) There is insufficient information to determine the answer.
Correct Answer:
Verified
Q39: Q40: Q41: Which of the following statements is not Q41: The action potential is conducted into a Q42: If potassium channels were blocked,the _ phase Q43: Na+ and K+ both use _ to Q43: In response to action potentials arriving along Q47: Synaptic vesicles containing neurotransmitters are released by Q49: Neurons and _ have electrically excitable membranes Q53: Receptors for acetylcholine are located on the
A)synaptic
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