Which of the following emergence factors has contributed to the HIV/AIDS epidemic?

A) climate change
B) rapid pathogen adaptation and change
C) increasing travel to endemic areas
D) exotic pet and meat trade


Answer: B

Biology & Microbiology

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In glycolysis, a phosphorylated sugar (fructose-1, 6-bisphosphate) is split, forming two molecules of:

a. ADP. b. G3P. c. glucose. d. citric acid. e. acetyl CoA.

Biology & Microbiology

Platelets are 

A. produced by red blood cells. B. cells. C. involved in clotting of blood. D. increase the permeability of capillaries.

Biology & Microbiology

Heart cells in the embryo will be derived from which germ layer?

A) mesoderm B) ectoderm C) endoderm D) none of the above

Biology & Microbiology

________ are toxins that are the lipopolysaccharide of the outer membrane of gram-negative cell walls.

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

Biology & Microbiology