Question

1. What are proteins made up of ?​

Answer 1

Proteins are made up of smaller building blocks called amino acids, joined together in chains. There are 20 different amino acids. Some proteins are just a few amino acids long, while others are made up of several thousands. These chains of amino acids fold up in complex ways, giving each protein a unique 3D shape.

Answer 2

Answer:

proteins are made up of amino acid.