All of the following have radial cleavage patterns
EXCEPT
a. snails.
b. squids.
c. earthworms.
d. sea stars.
e. insects.
Answer: d
Biology & Microbiology
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In glycolysis the net number of NADH produced is
A. 4. B. 3. C. 2. D. 0. E. 30.
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In multicelled species, spores germinate and give rise to filaments called __________. Fill in the blank(s) with the appropriate word(s)
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__________ fights infection by increasing the
metabolic rate. Fill in the blank(s) with the appropriate word(s).
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Because they are Gram negative, E. coli, Salmonella, and Shigella all produce
a. exotoxins. b. cytolytic toxins. c. endotoxins. d. enterotoxins.
Biology & Microbiology