Which of the following is not a final electron acceptor in anaerobic respiration?

A) sulfur
B) hydrogen
C) iron
D) nitrate
E) pyruvate


E) pyruvate

Biology & Microbiology

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Describe how dental plaques develop, including the different types of bacteria that colonize (and when) and the different types of metabolism they exhibit that contributes to gum and tooth decay.

What will be an ideal response?

Biology & Microbiology

The process of using energy from the Sun to convert CO2 into organic molecules is called

A) respiration. B) assimilation. C) photosynthesis. D) chemosynthesis.

Biology & Microbiology

Diabetes is a chronic disease in which the body cannot produce ________________, a chemical that allows cells to take up and break down sugar from the blood.

A) erythropoietin B) human growth hormone C) aldehyde dehydrogenase D) insulin E) polysaccharide

Biology & Microbiology

Catalytic proteins are known as ________ whereas catalytic RNA molecules are known as ________.

A. ribozymes; enzymes B. enzymes; catalozymes C. enzymes; ribozymes D. catalozymes; ribozymes

Biology & Microbiology