NEET BIOLOGY

CELL STRUCTURES AND FUNCTION

BIO MOLECULES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What elements (monomers) make up a protein?
A
C, H, O
B
C, H, O, N, (S)
C
C, H, O, N, P
D
None of the above
Explanation: 

Detailed explanation-1: -Amino acids are the monomers that make up proteins. Each amino acid has the same fundamental structure, which consists of a central carbon atom bonded to an amino group (–NH2), a carboxyl group (–COOH), and a hydrogen atom.

Detailed explanation-2: -Proteins are one of the primary constituents of living matter. They consist of long chains of amino acids, which are bonded together by peptide linkages and thus called polypeptides. There are about 20 amino acids, and the atoms most prevalent in these are carbon, hydrogen, oxygen, nitrogen, and sulfur.

Detailed explanation-3: -Amino acids are the monomers which make up proteins. Amino acids are the monomer units. There are only 20 common amino acids found in these 10, 000 proteins. True proteins contain only the elements carbon, hydrogen, oxygen, nitrogen, and sulphur.

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