Exam 10: Replication Of DNA And Chromosomes

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A researcher is attempting to replicate DNA in vitro.All necessary components are added,however,the DNA that is used does not have a free 3' hydroxyl.What kind of result is expected?

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D

Telomere length has not been correlated with:

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B

Which subunit of the Pol III enzyme forms a ring-like structure around DNA,acting like PCNA in eukaryotes,in order to increase the enzyme's processivity?

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E

How many origins of replication are typically found in a bacterial or viral chromosome?

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Telomerase inhibitors are thought to be one possible treatment for which of the following?

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The direction of DNA synthesis is:

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In the yeast Saccharomyces cerevisiae,segments of chromosomal DNA that allow a fragment of circularized DNA to replicate as an independent unit are known as:

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Which DNA polymerase molecule acts as the replicase in E.coli?

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Eukaryotes were found to have multiple replicons per chromosome by:

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DNA replication requires a free 3'-OH to initiate polymerase activity.This is accomplished by synthesizing:

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A replication bubble is:

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Consider the DNA template to be used for replication: 3'-ATCGGGAAATTCGGA-5'. Which of the following choices shows the correctly replicated new strand of DNA?

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One similarity between prokaryotic and eukaryotic DNA replication is:

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The synthesis of new DNA from parental DNA involves which three steps?

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Which of the following is a true function of DNA Polymerase I? 1.Replicase 2)5'Which of the following is a true function of DNA Polymerase I? 1.Replicase 2)5' 3' exonuclease 3)3' 5' exonuclease3' exonuclease 3)3'11ed123a_61b5_54ab_923d_9f4380d69b9d_TB5884_005' exonuclease

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Which of the following characteristics is not a commonality between prokaryotic and eukaryotic DNA polymerases?

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Which of the following technologies aided in the visualization of the replication forks in E.coli?

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Schnös and Inman demonstrated that bidirectional replication occurs by:

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A researcher is attempting to replicate DNA in vitro.He adds all of the components to the tube except Mg2+.What kind of result can he expect to observe?

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Which of the following must be present in order for DNA polymerase to be active? 1.Mg2+ 2)dNTPs 3)Existing DNA template with a free 3' end

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