The ancestor to the tetrapods belongs to which class?
A. Actinopterygii
B. Cephalaspidomorphi
C. Chonrichthyes
D. Myxini
E. Sarcoptergii
Answer: E. Sarcoptergii
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What will be an ideal response?
A special class of ABC-type ATPases associated with tumors that allow movement of antibiotics and other drugs out of the cell are known as
A) multidrug resistance transport protein. B) import transporter proteins. C) cystic fibrosis transmembrane conductance regulator. D) human catalytic convertase. E) none of the above; no such transporter has been identified in eukaryotes.
Fossil fuels ____
a. can be recycled b. are produced by living organisms c. are the organic remains of ancient organisms d. can reduce climate change e. release less energy than wood when they are burned
Arrestin binding to GPCRs __________.
a) causes the binding of additional G proteins b) stabilizes G proteins c) causes denaturation of G proteins d) stabilized GPCRs e) prevents further activation of additional G proteins