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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

linking number
helix frequency
none of these
twisting number

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

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

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DNA Structure and Replication
The role of primase is to

cleave and unwinds short sections of DNA ahead of the replication fork
proofread base pairing
dismantle RNA primer
synthesize an RNA primer to begin the elongation process

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DNA Structure and Replication
Enzyme, responsible for proofreading base pairing is

Telomerase
Primase
DNA ligase
DNA polymerase

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DNA Structure and Replication
DNA replication takes place in which direction?

3' to 5'
5 'to 3'
Randomly
Vary from organism to organism

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

1
nl
ml
μl

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