The rash of spotted fever rickettsiosis is the result of

A) capillary damage.
B) infection of skin cells.
C) allergic reaction to the vector.
D) production of a toxin that causes inflammation.
E) infection of sebaceous glands.


A

Biology & Microbiology

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The discovery of identical plant and animal fossils by Alfred Wegener in 1915 on either side of the Atlantic Ocean is

evidence of ____.

a. analogous structures b. catastrophism c. plate tectonics

d. comparative morphology e. the great chain of being

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Which evolutionary line is the one leading to the Zygomycota?

1.A 2.B 3.C 4.D 5.E

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In which of the following regions in the host bacterium are you most likely to find Bdellovibrio?

A. The space between the cell wall and plasma membrane B. The cell nucleus C. The nucleoid D. The cytoplasm

Biology & Microbiology

Compare the lytic cycle and the lysogenic cycle of bacteriophages

What will be an ideal response?

Biology & Microbiology