BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many different proteins are there?
A
20
B
50, 000
C
1, 000
D
indefinite
Explanation: 

Detailed explanation-1: -Scientists are not exactly sure, but most agree that there are around 20, 000 different proteins in our body. Some studies suggest that there might be even more. They carry out a variety of functions from doing some metabolic conversions to holding your cells together to causing your muscles to work.

Detailed explanation-2: -Proteins are strings of around 300 “beads” called amino acids (though they can be much longer or shorter). There are 20 different amino acids which leads to a pretty much infinite number of proteins that can be made. Proteins form the basic machinery of the cell.

Detailed explanation-3: -The human body uses just 21 amino acids to make all the proteins it needs to function and grow. Because amino acids can be arranged in many different combinations, it’s possible for your body to make thousands of different kinds of proteins from just the same 21 amino acids.

Detailed explanation-4: -There are seven types of proteins: antibodies, contractile proteins, enzymes, hormonal proteins, structural proteins, storage proteins, and transport proteins.

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