Oxygen kills some bacteria because of the production of _______

a. carbon dioxide
b. oxygen free radicals
c. a sodium cation
d. water


Answer: b. oxygen free radicals

Biology & Microbiology

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Before a sperm can compete in fertilization, it must undergo a maturation process in the female

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Insulin is produced by the:a

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How long are restriction endonuclease recognition sequences?

A) 4-12 nucleotides B) 5 to 3 nucleotides C) Length can vary by 100 nucleotides, depends on organism

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