The American Official Analytical Chemist’s use-dilution test measures how well a disinfectant works against a high microbial load dried onto a hard, nonporous surface.
A) True
B) False
A) True
Feedback: This test does not measure how well a disinfectant works on a soft, porous surface.
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During translation in prokaryotes, formation of the initiation complex requires all of the following except
A. a small ribosomal subunit. B. mRNA. C. tRNA charged with N-formylmethionine. D. RNA polymerase. E. initiation factors.
The protist that is most closely related to animals is the:
a. amoeba b. choanoflagellate c. dinoflagellate d. euglenoid e. paramecium
Convergent evolution resulted in placental and marsupial mammals with similar structural features
____________________ Indicate whether the statement is true or false.
Seeds were important in the evolutionary success of _____________, because they increased the success (to survive and reproduce) of the plant's offspring.
A. Bryophyte B. Angiosperms C. Pine trees D. Club mosses E. More than one above is correct