NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following results in an amino acid substitution?
A
Deletion
B
Insertion
C
Nonsense
D
Missense
Explanation: 

Detailed explanation-1: -A missense mutation is a nucleotide base substitution mutation that results in new amino acid, also known as nonsynonymous substitution.

Detailed explanation-2: -Missense Mutation Example A common and well-known example of a missense mutation is sickle-cell anemia, a blood disease. People with sickle-cell anemia have a missense mutation at a single point in the DNA. This missense mutation calls for a different amino acid, and affects the overall shape of the protein produced.

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