The technique developed by Hans Christian Gram is important for bacterial

A. etiology.
B. identification.
C. classification.
D. isolation.
E. epidemiology.


Answer: B

Biology & Microbiology

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A differential interference contrast microscope uses dyes to give colored, three-dimensional images.

Answer the following statement true (T) or false (F)

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Transmission of C. violaceum to humans is by:

a. exposure of disrupted skin to contami-nated water. b. ingestion of contaminated seafood or wa-ter. c. inhalation of contaminated air. d. close contact with carriers of the organism.

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The first intermediate produced after the entry of

acetyl-CoA into the Krebs cycle is a. pyruvate. b. acetyl-CoA. c. fructose bisphosphate. d. oxaloacetate. e. citrate.

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Which of the following hunting methods has the lowest frequency of success but requires the least amount of energy?

A) satiation B) ambush C) stalking D) pursuit

Biology & Microbiology