NEET BIOLOGY

Detailed explanation-1: -Amino acids are the smallest and basic structural units of proteins. Amino acids of same or different types combine together to form a polypeptide chain and many polypeptide chains, in turn, join to form a complex structure called protein.

Detailed explanation-2: -The building blocks of proteins are amino acids, which are small organic molecules that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain (see below).

Detailed explanation-3: -Proteins are the building blocks of the body that constitute various amino acids.

Detailed explanation-4: -The basic building block of a protein is called an amino acid. There are 20 amino acids in the proteins you eat and in the proteins within your body, and they link together to form large protein molecules.