What Do Reverse Transcriptases Do

Question

What do reverse transcriptases do?
A) Copy RNA into DNA
B) Copy DNA into RNA
C) Copy DNA into DNA
D) Copy RNA into RNA

Accepted Answer

Reverse transcriptases are enzymes that can copy RNA into DNA. This process is called reverse transcription and is important in the replication of retroviruses, such as HIV. Reverse transcriptases are also used in laboratory techniques, such as gene cloning and gene expression analysis.