AZT and Valaciclovir are antiviral nucleoside analogs that interfere with
A) protein synthesis.
B) cell wall synthesis.
C) cell membrane component synthesis.
D) nucleic acid synthesis.
E) viral attachment.
D
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Two pure-breeding phlox plants were crossed, one with dark-blue flowers and the other with pink flowers. The F1 generation all had dark-blue flowers. When the F1 were crossed with each other, the F2 generation consisted of 176 plants: 101 with dark-blue flowers, 33 with light-blue flowers, 30 with red flowers, and 10 with pink flowers. What progeny types would result from crossing a homozygous plant with light-blue flowers to a homozygous plant with red flowers?
A) all would be dark blue B) all would be red C) 1 light blue : 1 red D) 9 dark blue : 3 light blue : 3 red : 1 pink
The process by which DNA is reproduced, with the use of associated enzymes, is
A. DNA translation. B. catalyzed protein synthesis. C. DNA transcription. D. DNA replication. E. DNA ligation.
Which of the following is a type of epithelial
tissue that is several layers thick?
a. stratified b. loose connective c. dense connective d. simple e. more than one of these
Tuberculosis may be diagnosed using a(n) ________ on sputum (lung fluid) samples
A) direct fluorescent antibody test B) complement fixation test C) neutralization test D) immunochromatographic assay E) viral hemagglutination test