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DNA Structure and Replication

DNA Structure and Replication
Number of times the two DNA strands are interwined in circular DNA and is known as

none of these
linking number
helix frequency
twisting number

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

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

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DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Helicase
Synthesase
Replicase
Polymerase

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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 H3
Histone H1
Histone H4

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DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
primase
DNA helicases
ligase

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DNA Structure and Replication
Which of the following in DNA replication and transcription are common?

incorporation of deoxynucleotides
None of these
utilization the same enzyme
synthesis in the 5'-3' direction

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