Questions
BIOL 1009 (001-006/050-055) Final Exam
Single choice
What is the function of DNA polymerase?
Options
A.to unwind the DNA helix during replication.
B.to seal together broken ends of DNA.
C.to add nucleotides to a growing DNA strand.
D.to transcribe DNA into an RNA template.
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Step-by-Step Analysis
Here's a breakdown of what each option implies in the context of DNA replication.
Option 1: 'to unwind the DNA helix during replication.' This task is carried out by helicase, not DNA polymerase, so this statement misattributes the function......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?
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.
Question at position 61 In DNA replication, which of the following enzymes adds new DNA nucleotides to a growing DNA strand?primaseDNA polymerase IIIDNA helicasetopoisomeraseDNA ligase
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