Which of the Following Describes the Function of an Enzyme

Question

Which of the following describes the function of an enzyme known as Dicer?
A) It degrades single-stranded DNA.
B) It degrades single-stranded mRNA.
C) It degrades mRNA with no poly-A tail.
D) It trims small double-stranded RNAs into molecules that can block translation.
E) It chops up single-stranded DNAs from infecting viruses.

Accepted Answer

Dicer is an enzyme that trims small double-stranded RNAs into molecules that can block translation, which is important in RNA interference. The other options are not accurate descriptions of Dicer's function.