The pathogenesis of Rocky Mountain spotted fever involves:

A. systemic release of cytokines, leading to toxic shock.
B. endothelial cell damage, leading to increased vascular permeability.
C. release of potent exotoxins that destroy vascular endothelium.
D. invasion of the organism into the cardiac muscle.


Answer: B. endothelial cell damage, leading to increased vascular permeability.

Biology & Microbiology

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The trunk of the body has muscles of all of the

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What will be an ideal response?

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During elongation in translation, to which ribosomal site does an incoming charged tRNA molecule bind?

A) A site B) P site C) E site D) B site

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