During which phase would penicillin, an antibiotic that inhibits cell-wall synthesis, be most effective?

A. death phase
B. lag phase
C. log phase
D. stationary phase


Answer: C. log phase

Biology & Microbiology

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Microbes that enter the digestive system may be

killed by a. lysozyme. b. hydrochloric acid. c. protein-digesting enzymes. d. bile salts. e. any of these.

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What percentage of the world's tropical forests have been cut down for cropland, fuel wood, grazing

land and timber? a. 20% b. 30% c. 40% d. 50% e. 60%

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For increased atmospheric pressure, the boiling temperature of a liquid

What will be an ideal response?

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Why isn't the Body Mass Index (BMI) a perfectly reliable way to estimate your health?

A) It considers your height but not your weight. B) It considers your weight but not your height. C) It doesn't account for differences in muscle mass between individuals. D) Body fat estimates are not correlated with the risk of illness and death.

Biology & Microbiology