DNA Replication Video Lessons

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Problem: What would be the consequence of replicating DNA and assembling all new nucleosomes?A. Modified histones would not be in the same positions in each of the new daughter chromosomes.B. DNA polymerase would not be able to dislodge from the newly synthesized DNA.C. Repressors would no longer be able to recognize the promoters of operons.D. There would be no consequence, because that's the mechanism.

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DNA undergoes replication prior to cell division. When DNA is replicated, the template is made accessible for the DNA polymerase in the sites of origin of replication (ori). There, the DNA polymerase makes use of the primers as the starting point of DNA synthesis and add bases that are complementary to the template in the 5' to 3' direction. This is the semi-conservative nature of DNA replication.

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Problem Details

What would be the consequence of replicating DNA and assembling all new nucleosomes?

A. Modified histones would not be in the same positions in each of the new daughter chromosomes.

B. DNA polymerase would not be able to dislodge from the newly synthesized DNA.

C. Repressors would no longer be able to recognize the promoters of operons.

D. There would be no consequence, because that's the mechanism.

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