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