A typical human cell contains
A) one copy of each of 100 different microRNAs.
B) one copy of each of 3.2 billion different microRNAs.
C) one copy of each of about 20,000 different microRNAs.
D) from 1,000 to 200,000 microRNAs of about 1,000 types.
E) no microRNA unless the person develops cancer.

Question

Quizplus · Accepted Answer

A typical human cell contains thousands of microRNAs, which are small non-coding RNA molecules involved in the regulation of gene expression. There are about 1,000 different types of microRNAs, and each type can be present in varying numbers, ranging from 1,000 to 200,000 copies per cell.

A Typical Human Cell Contains