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DNA Structure and Replication

DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

None of these
H
S
B

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

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

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DNA Structure and Replication
Which of the following would not contain DNA?

Yeast
Mold
Glass crystals
Bacteria

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

Histones H2A and H2B
Histone H1
Histone H4
Histone H3

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DNA Structure and Replication
What is the approximate size (in kb) of the E. coli genome?

5500 kilobase
6500 kilobase
4500 kilobase
3000 kilobase

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G2 phase
G1 phase
M phase
S phase

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