Page 203 - MNU microbiology theoritical 2025

General Microbiology & Immunology (PM 401) Second level Semester 4 2024/2025

Choose the best correct answers in the following statements

A. Which of the following is also known as the removal of one or more bases
from the nucleotide chain?

a) Deletion
b) Insertion
c) Transition
d) Transversion

B. What is the name for a mutation in a codon that results in the substitution
of one amino acid for another?

A. Nonsense
B. Missense
C. Translocation
D. Silent

C. What is the basis of the mutagenic action of the base analogue
bromouracil?
A. It replaces T and binds with G
B. It replaces G and binds with T
C. It replaces T and binds with C
D. It replaces A and binds with C

D. What is Acridine orange?
A. a base analogue
B. Intercalating agents
C. a base ligase

D. a deaminating agent

General Microbiology & Immunology (PM 401) theoretical handbook Page 192