Question

Which type of organic molecule is an amino acid? A. building block of carbohydrates B. building block of proteins C. building block of nucleic acids D. building block of lipids

Answer 1

Amino acids are the monomer (building blocks) of proteins. On repeating, they constitute a protein which is polymer of amino acid.

In short, Your Answer would be Option B

Hope this helps!

Answer 2

B. building block of proteins