Tetrapods are most closely related to ____
a. lungfish
b. ray-finned fish
c. cartilaginous jawed fish
d. cartilaginous jawless fish
e. lancelets
ANSWER: a
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How is plant cell cytokinesis different from animal cell cytokinesis?
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Which is not involved in adaptive immunity?
A. antibody B. T cell C. B cell D. tear flow
Four of the five choices listed below are related by
their description of enzyme properties. Select the exception. a. specificity b. active sites c. activation energy d. substrate e. catalyst
In translation, anticodons on _____ pair with codons on _____.
A) DNA, mRNA B) mRNA, DNA C) tRNA, mRNA D) mRNA, tRNA