BIOMOLECULES AND ENZYMES

BIOLOGY

STRUCTURE OF PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
There are a total of ____ different amino acids
A
20
B
1
C
4
D
unlimited
Explanation: 

Detailed explanation-1: -Roughly 500 amino acids have been identified in nature, but just 20 amino acids make up the proteins found in the human body. Let’s learn about all these 20 amino acids and the types of different amino acids.

Detailed explanation-2: -Of these 20 amino acids, nine amino acids are essential: Phenylalanine.

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: -The essential amino acids are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine. The nonessential amino acids are alanine, asparagine, aspartic acid, glutamic acid, and serine.

Detailed explanation-5: -There are 22 amino acids that are found in proteins and of these, only 20 are specified by the universal genetic code. The others, selenocysteine and pyrrolysine use tRNAs that are able to base pair with stop codons in the mRNA during translation.

There is 1 question to complete.