In addition to carrying out the replication of DNA, the enzyme DNA polymerase also functions to
a) unzip the DNA molecule
b) "proofread" the new copies to minimize
c) regulate the time copying occurs in the cell cycle
d) wrap the new strands onto histone proteins
Answer: B
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Biology
- The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of _____.
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