The octopus and squid are cephalopods and are members of which group?
A. amphibians
B. cnidarians
C. mollusks
D. echinoderms
E. arthropods
C. mollusks
Biology & Microbiology
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GTP provides energy for
A) transcription. B) translation. C) DNA replication. D) protein folding.
Biology & Microbiology
Which metabolite of alcohol is most toxic?
a. alcohol dehydrogenase b. ethanol c. acetaldehyde d. acetate e. carbon dioxide
Biology & Microbiology
Allopatric speciation requires
a. accelerated gene flow. b. physical separation. c. physical diversity. d. behavioral diversity. e. all of these.
Biology & Microbiology
The part of a lake where light does not penetrate is the
Select one: a. littoral zone. b. benthic zone. c. pelagic zone. d. profundal zone. e. limnetic zone.
Biology & Microbiology