What directly supplies the electrons for the electron transfer system?

a. ATP and ADP
b. FADH2 and NADH
c. pyruvate and acetate
d. various enzymes
e. oxygen and water


B

Biology & Microbiology

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The process of ___________ takes place when we retain and use past memories.

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

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A small wooded area was cleared for a new building, but then the builders went bankrupt. Over the ensuing years, plants and animals moved back into the plot in a process called ________

A) biological magnification B) secondary succession C) primary succession D) climax community

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Desensitization involves injection of

A) antigens. B) IgG antibodies. C) IgE antibodies. D) antihistamine. E) histamine.

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Naive Th cells differentiate into ________, through the action of dendritic cells, and are then able to recruit neutrophils

a. Th1 b. Th2 c. Th17 d. Treg

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