Fact 1: DNA contains genetic instructions for proteins, and RNA helps assemble the proteins.

Fact 2: RNA RNA, or ribonucleic acid, is a constituent of all living cells and many viruses.

Given the two facts above, answer the question "what helps assemble proteins?" with the following options: 
- h2o
 - Veins and arteries.
 - the body's largest organ
 - calcium
 - ribonucleic acid
 - DNA
 - oxidation reaction
 - Chemical energy


 

     ribonucleic acid    