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DNA Structure and Replication

DNA Structure and Replication
Deoxyribonucleoside triphosphates, being need in the chain termination methods are

dATP
dTTP
dGTP and dCTP
all of these

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

Histone H1
Histone H4
Histones H2A and H2B
Histone H3

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DNA Structure and Replication
What is the approximate percentage of repetitive DNA sequences in human DNA?

20 to 30%
40 to 50%
30 to 40%
10 to 20%

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DNA Structure and Replication
The overall conclusion of the Hershey-Chase experiment was that

phage DNA was similar to bacterial DNA
the ratio of Adenine to thymine was always the same
DNA was responsible for heredity
proteins and DNA were responsible for heredity

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DNA Structure and Replication
Replication in E. coli is initiated by the generation of short RNA primers using

RNA polymerase
both (a) and (b)
primase
reverse transcriptase

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DNA Structure and Replication
The chromosomal DNA complexes with

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

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