The enzyme that breaks down norepinephrine (NE) is called ________
A) noradrenalinase
B) adenosine
C) norepinephrinase
D) monoamine oxidase (MAO)
E) catchol-O-methyltrasferase (COMT)
D
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Within a single protein, which of the following are you likely to find?
A. Disulfide bridges B. Ionic bonds C. Hydrogen bonds D. Hydrophobic interactions E. You are likely to find all of these within a single protein.
Which of the following is NOT an event in the process of sensation?
a) Stimulation of sensory receptors b) Transduction of the stimulus c) Activation of effector d) Generation of impulses e) Integration of sensory input.
Which statement about platelets is incorrect?
a. They are produced in the bone marrow. b. They form the meshwork of a blood clot in which other cellular elements become entrapped. c. They form a plug when they adhere to the exposed collagen of a damaged vessel. d. When aggregated, they release thromboxane A2 that promotes secretion of ADP. e. When aggregated, they release ADP, which causes the surface of nearby circulating platelets to become sticky so that they also adhere to the enlarging platelet plug.
The substantia nigra interconnects with the
A. basal nuclei. B. tegmentum. C. red nuclei. D. reticular nuclei. E. tectum.