Fungi are at least ________ million years old.
A. 400
B. 1
C. 50
D. 100
E. 25
Answer: A
Biology & Microbiology
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All of the following may result from overgrowth of Clostridium difficile in the large intestine EXCEPT
A. toxic megacolon. B. pseudomembranous colitis. C. large volumes of rice-water stools. D. uncomplicated diarrhea.
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Monoclonal implies that the
A) antibodies come from a twin. B) antibodies are identical. C) cancer cells are all of one type. D) antigens are from a single source.
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The sequence of a template strand of DNA is 3'-CATTACGCTT-5'. What is the sequence of the corresponding mRNA?
What will be an ideal response?
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When hydrogen and oxygen combine to form water, water would be
a) a product b) a reactant c) both a product and a reactant d) neither a product nor a reactant
Biology & Microbiology