Streptococcus pneumoniae can escape phagocytic clearance by which mechanism?
A. Capsule-mediated inhibition of phagocytosis
B. Inhibition of phagolysosome fusion
C. inhibition of opsonization mediated by protein A
D. Lysis of phagosome and replication in cytoplasm
E. Replication in fused phagolysosome
Ans: A. Capsule-mediated inhibition of phagocytosis
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Microbial ________ focuses on the nature of heredity and how it regulates the development and function of cells and organisms.
Fill in the blank(s) with the appropriate word(s).
Cleavage is indicated by the letter ____
a. A b. B c. C d. D e. E
. Which cell feature is absent in bacterial cells?
a. plasma membrane b. nucleoid c. cytoplasm d. nucleus e. DNA
Blood agar is often used to differentiate between
A) salt sensitive and non-salt sensitive microbes. B) bacteria that absorb oxygen and those that do not. C) types of hemolysis the bacteria may produce. D) all of the above.