Which molecule represents one of the best examples of a commonly shared signaling pathway connected to memory
in invertebrates and vertebrates?
a. cyclic AMP
b. cyclic GMP
c. RNA cyclase
d. RNA binding protein
e. non-responsive binding protein
ANSWER: a
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A. water potential B. cell walls C. plasmodesmata D. membranes E. cytosol
When two or more species vie for the same limited resource, _____ occurs.
A. succession B. symbiosis C. coevolution D. stotting E. competition
In a certain bacterial gene, transcription fails to initiate properly. What is a possible explanation?
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The phylum that includes snails, clams, oysters, and octopuses is the
A. Mollusca. B. Annelida. C. Phoronida. D. Brachiopoda. E. Ectoprocta.