Four of the five vitamins listed below are members

of the B-complex vitamins. Select the exception.
a. ascorbic acid
b. folic acid
c. pantothenic acid
d. riboflavin
e. thiamine


Answer: a

Biology & Microbiology

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In green plants, which photosystem absorbs photons to excite electrons in the reaction center?  

A.  Photosystem I B.  Photosystem II C.  Photosystem III D.  Photosystem I and II E.  Photosystem I, II and III

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Bacteria that naturally exhibit bioluminescence have been found in which of the following genera?

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Choose the letter of the best match from the following:A. cognitionB. waggle danceC. navigationD. filial imprintingE. fixed action patternInnate motor program.

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology