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DNA Structure and Replication

DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Replication forks
Replication origins
Okazaki fragments
Leading strands

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DNA Structure and Replication
The chromosomal DNA complexes with

two types of histone as H1 and H4
three types of histone as H1, H2A and H4
four types of histone as H1, H2A, H3 and H4
five types of histone as H1, H2A, H2B, H3 and H4

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DNA Structure and Replication
Automated DNA sequencing uses the chain termination method

but with a polynucleotide primer labeled with a fluorescent dye
with no primer
either (b) or (c)
but with an oligonucleotide primer labeled with a fluorescent dye

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

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

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DNA Structure and Replication
The packing ratio of nucleosomes is about

8
9
7
6

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

None of these
B
H
S

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