Which Structure Could Be Incorporated into a Protein

Question

Which structure could be incorporated into a protein?
A) alanine
B) ribonucleic acid
C) thymine
D) uracil

Accepted Answer

Alanine is an amino acid that can be incorporated into proteins as one of the building blocks. Ribonucleic acid (RNA), thymine, and uracil are not directly incorporated into proteins, but may play roles in the synthesis or regulation of protein production.