Four of the five answers listed below are hydrogen acceptors. Select the exception
a. oxygen
b. cytochrome
c. ATP
d. NAD+
e. FAD
C
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What prevents the epiphyseal plate from calcifying?
a. thyroid hormone b. oxytocin c. calcium channel blockers d. human growth hormone e. fat
Cell-mediated immunity is a function of
A) NK cells. B) T lymphocytes. C) B lymphocytes. D) dendritic cells. E) macrophages.
Rhabditiform larvae measuring 275 m with a long buccal capsule and a small genital primordium was identified as hookworm. Which one of the following statements explains this discrepancy?
a. A technical error occurred in identifica-tion. b. The larvae characteristics represent S. stercoralis; therefore the organism was incorrectly reported out. c. The larvae characteristics represent pin-worm; therefore the organism was incor-rectly reported out. d. No error occurred. Hookworm is the cor-rect identification for an organism with these characteristics.
Transfer of genetic information via direct cell-cell contact is called
A. transduction. B. transformation. C. transfection. D. conjugation.