Overall, the membrane-associated electron transport system pumps ________ protons across the membrane for every molecule of NADH that is oxidized.

A) 2
B) 5
C) 6
D) 10


D) 10

Biology & Microbiology

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Some of the intestinal symptoms elicited by pathogens such as Salmonella, Shigella, and Escherichia are due to the presence of

A) pseudomurein. B) S-layers. C) lipopolysaccharides. D) peptidoglycan.

Biology & Microbiology

Immunoglobins associate with the adapter molecules Ig? and Ig?

Indicate whether the statement is true or false.

Biology & Microbiology

Some pathogens can only cause disease if they enter through a specific ____ of ____

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

Biology & Microbiology

The degree of allelic diversity of a population is independent of its size.

Answer the following statement true (T) or false (F)

Biology & Microbiology