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Eukaryotic chromatin replication

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Eukaryotic chromatin replication

Eukaryotic chromatin replication:
A. Is facilitated by the presence of a large pool of histones which are synthesized uniformly throughout the cell cycle.
B. Is characterized by conservative segregation of pre_existing H3_H4 tetramers at the replication fork.
C. Requires the presence of a special enzyme, telomerase, which appends short oligonucleotide blocks to the overhanging S' ends of the newly replicated DNA strands.
D. Results in the preferential segregation of the linker histone, H1, to the leading strand.
E. Both B and C.

Ionizing radiation is capable of producing genetic mutations by
A. base-changes in the DNA.
B. base-deletions in the DNA.
C. breaking chromosomes.
D. All of the above.
E. Only A and B above.

Which of the following are not required by DNA ligase in order to carry out its enzymatic reaction?
A. a free OH
B. a free 5'-OH
C. a nick in DNA
D. either NAD or ATP
E. a template strand opposite the nick

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couple007 Author

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11 years ago

Just got PERFECT on my quiz

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this is exactly what I needed

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This site is awesome

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