Which of the following compounds found in

dental plaque dissolves minerals in the teeth?



a. hydrochloric acid
b. lactic acid
c. carbonic acid
d. floric acid
e. more than one of these


B

Biology & Microbiology

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Humans store glucose as a highly branched polymer in the liver or muscle cells. What is this polymer called?

a. glycogen b. galactosidase c. cellulose d. alanine

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Which of the following immune cells bind microbial PAMPs with its PRRs leading to phagocytosis of the microbial cell?

A) Granulocytes B) Mast cells C) Macrophages D) Lymphocytes

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Archaea are composed of ________ cells

A) prokaryotic B) bacterial C) eukaryotic D) animal

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What produces the acidic pH of some mine runoff?

A. Metal ores are reduced by exposure to the atmosphere. B. Metal ores are oxidized by exposure to the atmosphere. C. microbial activity D. Sulfur-containing ores are reduced by exposure to oxygen. E. both oxidation of metal ores and microbial activity

Biology & Microbiology