A virus with RNA-dependent RNA polymerase

a. synthesizes DNA from an RNA template.
b. synthesizes double-stranded RNA from an RNA template.
c. synthesizes double-stranded RNA from a DNA template.
d. transcribes mRNA from DNA.
e. none of the above


Answer: b. synthesizes double-stranded RNA from an RNA template.

Biology & Microbiology

You might also like to view...

During this phase of the cell cycle the nuclear membrane reforms around the chromosomes:

A. Metaphase B. Prometaphase C. Telophase D. Anaphase E. Prophase

Biology & Microbiology

The __________ secretes aldosterone, which targets the kidney, and __________, the stress hormone.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Ecology is best defined as the study of ________.

A. the interactions between living organisms and their environments B. the relationships between parasites and their hosts C. plant succession D. interactions between predator and prey populations

Biology & Microbiology

Mouse pigmentation is subject to epistasis of the B alleles by the d alleles. B (black) is dominant over b (brown), and

D is dominant over d. Homozygous d is epistatic to the black and brown genes. Given this information, what will result from a F1 cross between two mice?

a. 9/16 black, 3/16 brown, 4/16 white b. 9/16 white, 3/16 brown, 4/16 black c. 9/16 black, 6/16 brown, 1/16 white d. 9/16 white, 6/16 brown, 1/16 black e. All black mice

Biology & Microbiology