Of those listed below, which category of classification is the most narrow?

A. Domain
B. Family
C. Class
D. Genus


Answer: D

Biology & Microbiology

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Which of the following is true?

A) Mutations that inactivate tumor suppressor genes are important in cancer. B) Cancer is a single disease with one underlying molecular cause. C) Uncontrolled cell growth alone is sufficient for the development of cancers. D) Cancer is a single disease resulting from a common set of mutations.

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In the citric acid cycle, the acetyl group is removed from acetyl CoA and attached to oxaloacetate to form

A. fumarate. B. succinate. C. citrate. D. malate. E. oxaloacetate.

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Glaucoma is most often an age-related, painless, and chronic disease, with slowly developing symptoms.

a. true b. false

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The first epidemiologist who studied the cholera outbreak in London was

A) John Snow B) Alexander Flemming C) Robert Koch D) Jonas Salk

Biology & Microbiology