Fact 1: Most genes contain the instructions for a single protein.

Fact 2: Genes are molecules that contain the instructions for cells to work correctly.

Given the two facts above, answer the question "what are molecules that contain a single protein?" with the following options: 
- genes
 - animals
 - alleles
 - swea
 - SO2
 - small
 - CO 2
 - ovaries


 

 genes        