Which of the following is an ion that is more concentrated inside the cell than outside?
A) sodium
B) chloride
C) hydrogen
D) calcium
E) potassium
Correct Answer:
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Q35: Cross-bridges are portions of
A)actin molecules.
B)myosin molecules.
C)troponin molecules.
D)tropomyosin
Q49: Each skeletal muscle fiber is controlled by
Q50: If the membrane potential of a neuron
Q51: Cellular membrane potential is measured in
A)milliseconds.
B)micrometers.
C)Hertz.
D)millivolts.
E)amperes.
Q54: The structural explanation of how a muscle
Q56: When a skeletal muscle fiber contracts,which of
Q57: Membrane potential is
A)a chemical signal that has
Q58: The Na+/K+ ion pump is responsible for
A)diffusing
Q60: During the _ phase of action potential
Q66: The narrow space between the synaptic terminal
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