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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Transfer of genetic information via direct cell-cell contact is called
A. transduction. B. transformation. C. transfection. D. conjugation.
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.
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.