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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?

S
B
None of these
H

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

Histone H3
Histone H1
Histone H4
Histones H2A and H2B

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DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

endonuclease activity
nickase activity
exonuclease activity
no activity

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

density
resorption
adhesion
absorption

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DNA Structure and Replication
The nucleosome consists of histone

None of these
tetramer and 146 bp of DNA
octamer and 146 bp of DNA
hexamer and 146 bp of DNA

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DNA Structure and Replication
In DNA, guanine pairs with

Cytosine
Thymine
Adenine
Uracil

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