Where does the acetylcholine released for muscle contraction bind?
A) receptors in the axon terminal
B) receptors in the motor end plate
C) receptors in the sarcoplasmic reticulum
D) receptors in troponin
Answer: B) receptors in the motor end plate
Anatomy & Physiology
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Of the five cerebral lobes, the one not visible on the surface of the brain is the
A. occipital. B. frontal. C. insula. D. temporal. E. parietal.
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Which of the following are descending tracts in the spinal cord?
A. Spinocerebellar B. Fasciculus gracilis C. Rubrospinal D. Spinothalamic
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Melanocytes transfer melanin granules to
A) nearby keratinocytes. B) mast cells. C) macrophages. D) the subcutaneous layer.
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The portion of the cell's life cycle that does NOT involve cell division is known as ________
A) interphase B) mitosis C) metaphase D) prophase E) cytokinesis
Anatomy & Physiology