Which microorganism requires the low pH inside a phagolysosome in order to reproduce?

a. Haemophilus influenzae
b. Coxiella burnetii
c. Streptococcus pyogenes
d. Streptococcus pneumoniae


Ans: b. Coxiella burnetii

Biology & Microbiology

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Filtrate that is removed from the blood is

collected by the a. loop of Henle. b. glomerulus. c. distal tubule. d. proximal tubule. e. Bowman's capsule.

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A __________ is a hybrid, with two nonidentical

alleles (Aa). Fill in the blank(s) with the appropriate word(s).

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A Type ________ functional response occurs when the rate at which prey are consumed is low at first, increases, and then decreases in an S-shaped fashion as the rate of predation approaches the maximum value

Fill in the blank(s) with correct word

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XH2 + NAD+ ? X + NADH + H+. In the preceding equation, NAD+ is said to be:

a. an enzyme. b. storing two hydrogen atoms. c. reduced. d. oxidized. e. a catalyst.

Biology & Microbiology