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DNA Structure and Replication

DNA Structure and Replication
Proteins involved in opening a replication bubble are

DNA topoisomerase
ligase
DNA helicases
single stranded binding proteins

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DNA Structure and Replication
Which histone(s) are associated with the linker DNA of a nucleosome?

Histone H4
Histone H1
Histone H3
Histones H2A and H2B

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Chromosomes would become progressively shorter
Chromosomes would get longer
Nothing would happen
None of these

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DNA Structure and Replication
Which will require a higher temperature to denature?

RNA with a high G-C content
RNA with a high A-T content
DNA with a high A-T content
DNA with a high G-C content

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DNA Structure and Replication
Overwinding or overtightening of DNA during replication is caused and removed by

DNAa, gyrase
DNAb, gyrase
DNAb, DNA polymerase
Single stranded protein, DNAa

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DNA Structure and Replication
Okazaki fragments occur during

transformation
replication
synthesis
polymerase reaction

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