Which of the following compounds helps to

maintain our blood pH between 7.35 and 7.45?



a. water
b. carbonic acid
c. hydrocloric acid
d. hydrogen peroxide
e. sodium hydroxide


B

Biology & Microbiology

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Vibrio cholerae can be readily isolated and identified in the laboratory from stool samples by

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The major source of naturally-produced penicillin is the mold ________.

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What is the function of the lacY gene in the lac operon?

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Who developed the method widely used to sequence DNA?

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