Which of the following toxins is NOT a cytolytic exotoxin?

a. hemolysin
b. Shiga toxin
c. leukocidin
d. phospholipase


Answer: B

Biology & Microbiology

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The hydrogen ion gradient across the thylakoid membrane is required to ________________

What will be an ideal response?

Biology & Microbiology

Hydrochloric acid in the stomach aids in

a. digestion of fats. b. digestion of proteins. c. digestion of carbohydrates. d. production of leptin. e. destruction of microbes in food and digestion of proteins.

Biology & Microbiology

Why do lacOC mutants express in cis-dominant and not in transdominant fashion?

What will be an ideal response?

Biology & Microbiology

The main product of photosynthesis used by plants is

A. glucose B. oxygen. C. carbon dioxide D. chlorophyll. E. sunlight.

Biology & Microbiology