NURSING ANM AND GNM

NURSING EXAM QUESTIONS

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a polypeptide with more than 100 amino acids?
A
Amino acid
B
Polypeptide
C
Oligopeptide
D
Protein
Explanation: 

Detailed explanation-1: -Polypeptides containing more than 100 amino acids having molecular mass higher than 10, 000 are generally called as proteins.

Detailed explanation-2: -Although more than 100 amino acids occur in nature, particularly in plants, only 20 types are commonly found in most proteins. In protein molecules the -amino acids are linked to each other by peptide bonds between the amino group of one amino acid and the carboxyl group of its neighbour.

Detailed explanation-3: -In order for a protein with 100 amino acids to be produced, the messenger RNA must at least be 303 nucleotides in length.

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