What adaptation allows sea snakes to remain submerged for long periods of time?
a. Able to absorb carbon dioxide through the skin
b. They breathe air.
c. Dual lungs that extend almost to the tail.
d. Able to lower metabolic rate.
d
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Which of the following is NOT true of small effector molecules?
A. They can cause a conformational change in a regulatory protein. B. They can prevent a repressor from binding a gene region. C. They can regulate gene transcription by binding to DNA. D. They can regulate gene transcription by binding a regulatory protein.
Which protein contains a binding site for ATP?
A. myosin B. troponin C. All muscle proteins must have an ATP binding site. D. myelin E. tropomyosin
Scorpions have a prosoma, pedipalps that are modified into claws, and chelicerae. Which taxonomic group are they a member of?
A. Chelicerata B. Hexapoda C. Crustacea D. Myriapoda
How is complementary base pairing different when pairing DNA to DNA than when pairing DNA to mRNA?
What will be an ideal response?