Which of the following viruses would most likely have reverse transcriptase?
A) an RNA-based lytic virus
B) an RNA-based lysogenic virus
C) a DNA-based lytic virus
D) a DNA-based lysogenic virus
Answer: B
Biology & Microbiology
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Blood rich in oxygen is what color?
a. yellow b. pink c. bright red d. blue e. purple
Biology & Microbiology
The type of cell labeled 5 in Figure 43-5 is:
a. an amacrine cell.
b. a bipolar cell.
c. a ganglion cell.
d. a cone.
e. a horizontal cell.
Biology & Microbiology
A gene operon consists of
A) a transcribed gene only. B) a promoter only. C) a regulatory gene only. D) transcribed genes, an operator, and a promoter.
Biology & Microbiology
Amino acids are delivered in their appropriate order by
A. mRNAs. B. RNA-induced silencing complexes (RISC). C. ribozymes. D. rRNAs. E. tRNAs.
Biology & Microbiology