Phenotypically identical bacteria

A. look the same.
B. are genetically exactly the same.
C. may be told apart by DNA sequence analysis.
D. may not be told apart by any means.
E. look the same AND may be told apart by DNA sequence analysis.


E

Biology & Microbiology

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The primary source of energy for most organisms is ultimately derived from

A. glucose. B. glycogen. C. plants. D. the sun. E. catabolism.

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Polyphagous parasites feed on

A. any plant. B. one host. C. many different hosts. D. ectoparasites. E. None of the answers is correct.

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The dominant land plants during the Mesozoic era, from about 250 million years ago to 65 million

years ago, were ____.

a. lycophytes b. ferns c. gymnosperms d. bryophytes e. angiosperms

Biology & Microbiology

All of the following are correct about salmonelloses except

A. non-typhoidal strains of salmonella are zoonotic in origin. B. foods contaminated by rodent feces may cause outbreaks.. C. outbreaks have been caused by eggs. D. drug resistance of salmonella is on the rise. E. strains are normal flora in dogs and cats.

Biology & Microbiology