Practice!

Sample Problem

Fill in the following with “m” for mRNA, “t” for tRNA, or “r” for rRNA.

carries amino acids from the cytoplasm to the ribosome

found in ribosomes

carries information from DNA to ribosome

has anticodons

has codons

Solution

m, t, and r stand for messenger, transfer, and ribosomal RNA, respectively. The answers are as follows: t, r, m, t, m.