Which of the following enzymes catalyzes the elongation of a new DNA strand?
A) RNA polymerase
B) DNA ligase
C) reverse transcriptase
D) DNA polymerase
Answer: D
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Anything that occupies space and has mass is called ________.
A. atomic B. space C. energy D. matter E. living
Membrane proteins perform all of the following functions except
A) receptors. B) transporters. C) enzymes. D) blocks. E) anchors.
During conjugation, one gene (A) is found to transfer to the recipient bacteria 26 minutes following the start of conjugation, while a second gene (M) is found to transfer 37 minutes following the start of conjugation
A third gene (T) transfers 45 minutes following the start of conjugation. Based on this information, which of the following is true? A. Genes A and M have a genetic distance of 11 minutes B. Genes A and T have a genetic distance of 19 minutes C. Genes M and t have a genetic distance of 8 minutes D. The order of the genes is A M T E. All of the answers are correct
Which membrane proteins move specific substances across a membrane, typically by forming a channel?
a. transport b. receptor c. recognition d. adhesion e. enzymes