NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

BIO MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the monomer (building block) of a protein?
A
amino acids
B
nucleotide
C
fatty acid
D
monosaccharide
Explanation: 

Detailed explanation-1: -For example, proteins are composed of monomers called amino acids. They are linked together to form a polypeptide chain, which folds into a three dimensional (3D) structure to constitute a functional protein (Figure 1).

Detailed explanation-2: -Amino acids are organic compounds consisting of carbon, hydrogen, and nitrogen. They are monomers or building blocks of proteins. Proteins are one of the major biomolecules required for the proper functioning of living organisms.

Detailed explanation-3: -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-4: -Explanation: The amino acids are the building blocks of the proteins. That work as the bricks of the building. The amino acids are joined to form a long chain of acids by amino and carboxyl and yields water.

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