Inositol triphosphate
A) uses all of the mechanisms.
B) is a water-insoluble messenger molecule.
C) is a second messenger that is involved in the release of calcium into the cytosol.
D) binds to the calcium channel of the endoplasmic recticulum.
E) is involved in the release of calcium into the cytosol.
C) is a second messenger that is involved in the release of calcium into the cytosol.
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The amount of air that can be forcibly inhaled after a normal inspiration is the
A. inspiratory reserve volume. B. inspiratory capacity. C. residual volume. D. functional residual capacity.
A lamprey is capable of
A) Tidal ventilation. B) Unidirectional ventilation. C) Both A and B D) Neither A nor B
"Motor" carries impulses away from the CNS. Half a million in the body.
A. Afferent Neuron B. Efferent Neuron C. Interneurons D. None of the above
Prominent muscular ridges, which extend along the inner surface of the right auricle, across the adjacent anterior wall of the right atrium are called ________.
A) moderator bands B) pectinate muscles C) trabeculae carneae D) papillary muscles E) chordae tendineae