BIOMOLECULES AND ENZYMES

BIOLOGY

PROTEINS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
If a third amino acid combines to a ____, the product is called a ____
A
dipeptide, tripeptide
B
dipeptide, dipeptide
C
tripeptide, tripeptide
D
tripeptide, dipeptide
Explanation: 

Detailed explanation-1: -The end product obtained is called dipeptide as it is made up of two amino acids. Similarly, when third amino acids combine to dipeptide then the product obtained is called tripeptide.

Detailed explanation-2: -Let 3 amino acids be ABC. The acid and amine ends of each molecule can be used to produce a tripeptide. Hence a total of 9 tripeptides are possible.

Detailed explanation-3: -The simplest tripeptide is glycine. In terms of scientific investigations, the dominant tripeptide is glutathione (-L-Glutamyl-L-cysteinylglycine), which serves many roles in many forms of life.

Detailed explanation-4: -A dipeptide has two amino acids. A tripeptide has three amino acids. A tetrapeptide has four amino acids.

Detailed explanation-5: -A chain consisting of only two amino acid units is called a dipeptide; a chain consisting of three is a tripeptide.

There is 1 question to complete.