Changing environmental conditions would most likely cause an existing species to undergo ____

a. disruptive selection
b. deleterious mutation
c. directional selection
d. stabilizing selection
e. lethal mutation


ANSWER: c

Biology & Microbiology

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Which one of the following is mismatched?

a. bread mold?zygomycetes b. Allomyces–chytridiomycetes c. mushrooms–basidiomycetes d. sac fungi?ascomycetes e. Dutch elm disease–glomeromycetes

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How long does treatment for TB take?

A. one to two days B. two months C. one to two weeks D. six months or more E. one month

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Which is/are true of coenzymes?

A. They are organic molecules. B. They transfer atoms from one molecule to another. C. They may bind to a number of different enzymes. D. They are synthesized from vitamins. E. All of the choices are correct.

Biology & Microbiology