An organism that cannot tolerate an oxygen environment is a(n) ________.

A. microaerophile
B. obligate anaerobe
C. aerobe
D. facultative anaerobe
E. obligate aerobe


Answer: B

Biology & Microbiology

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Hydrogen bonds join amino acids in the polypeptide chain. Indicate whether the statement is true or false

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If an animal population is diploid, then each individual possesses:a

one allele for each locus. b. two alleles for each locus. c. three or more alleles for each locus. d. a partial set of alleles found in each cell. e. a complete set of alleles found in each chromosome.

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As early as the ________ month, as the brain and spinal cord grow, the fetus can demonstrate movement and respond to stimuli

A) fourth B) third C) second D) sixth E) fifth

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The layer of the digestive tract that contains smooth muscle is the ________

Fill in the blank(s) with correct word

Biology & Microbiology