LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the monomer of proteins?
A
amino acids
B
polypeptides
C
nucleotides
D
monosaccharides
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: -Building Blocks or Elementary Units: Proteins Monomers The order of amino acids in which they are arranged is called the primary structure of a protein. Chemically speaking, an amino acid molecule consists of three groups, i.e., amino group (-NH2), carboxylic acid group (-COOH), and side-chain (R group).

Detailed explanation-3: -Amino acids are the building blocks of proteins, and have an amine group (−NH2), as well as a carboxyl group (−COOH) . When hundreds and thousands of them combine using peptide bonds, they form proteins, which are nutrients essential for survival. So, we can say that amino acids are monomers of proteins.

Detailed explanation-4: -There are four main types of monomer, including sugars, amino acids, fatty acids, and nucleotides.

Detailed explanation-5: -Amino acids are molecules that combine to form proteins. Amino acids and proteins are the building blocks of life. When proteins are digested or broken down, amino acids are left. The human body uses amino acids to make proteins to help the body: Break down food.

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