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BIOL_1105_60452_202506 Lesson 12 Homework
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Refer to the figure of the replication fork that is shown below to answer this question. DNA polymerase synthesizes DNA in the 5' to 3' direction. The leading strand is synthesized continuously because DNA polymerase can move along the strand without interruptions; therefore, Strand B is the leading strand. The lagging strand is not synthesized continuously; Strand A represents the lagging strand.
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Consider the question about replication fork dynamics and strand labeling.
Option 1: '5' to 3' direction' — DNA polymerase synthesizes new DNA exclusively in the 5' to 3' direction. Therefore, stating that synthesis occurs 5' to 3' is correct and ......Login to view full explanationLog in for full answers
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Which of the following is needed for DNA synthesis within a bacterial cell but is not needed during PCR in a test tube?
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Dr. Dre has decided that he wants to cure cancer and so has designed a bunch of compounds to inhibit various enzymes involved in DNA replication. He tests each of the 5 compounds against the enzymatic activity of each of the DNA replication enzymes and records what each one does to work out what they do. He concludes that [ Select ] Compound B Compound E Compound D Compound A Compound C would prevent the replacement of RNA sequences with DNA, while [ Select ] Compound B Compound C Compound D Compound A Compound E would prevent all steps in DNA replication. He predicts that [ Select ] Compound E Compound D Compound B Compound C Compound A would leave the replicated DNA strand as a series of separate DNA fragments, but that [ Select ] Compound A Compound B Compound D Compound E Compound C would lead to the death of the cell upon DNA replication. Finally, he concludes that [ Select ] Compound D Compound C Compound A Compound E Compound B would prevent the formation of both the leading and lagging strands.
Dr. Dre has decided that he wants to cure cancer and so has designed a bunch of compounds to inhibit various enzymes involved in DNA replication. He tests each of the 5 compounds against the enzymatic activity of each of the DNA replication enzymes and records what each one does to work out what they do. He concludes that [ Select ] Compound A Compound D Compound E Compound B Compound C would prevent the replacement of RNA sequences with DNA, while [ Select ] Compound C Compound B Compound E Compound A Compound D would prevent all steps in DNA replication. He predicts that [ Select ] Compound A Compound E Compound B Compound C Compound D would leave the replicated DNA strand as a series of separate DNA fragments, but that [ Select ] Compound C Compound D Compound B Compound E Compound A would lead to the death of the cell upon DNA replication. Finally, he concludes that [ Select ] Compound B Compound C Compound A Compound E Compound D would prevent the formation of both the leading and lagging strands.
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