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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

no activity
endonuclease activity
exonuclease activity
nickase activity

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

S
None of these
B
H

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DNA Structure and Replication
DNA replication in eukaryotes occurs only in

G1 phase
S phase
M phase
G2 phase

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DNA Structure and Replication
One hypothesis of DNA replication suggested that the parental DNA molecules are broken into fragments. Both strands of DNA in each of the daughter molecules are made up of an assortment of parental and new DNA. This statement refers to which hypothesis?

Evolutionary theory
Conservative theory
Semi-conservative theory
Dispersive theory

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DNA Structure and Replication
During conventional transformation experiments E. coli cells and plasmid DNA interacts in an environment of

low temperature and Mg++
high temperature and Ca++
low temperature and Ca++
high temperature and Mg++

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DNA Structure and Replication
The DNA polymerase in bacteria, responsible for DNA synthesis is

Polymerase III
Polymerase I
Polymerase II
all of these

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