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DNA Structure and Replication

DNA Structure and Replication
Klenow fragment without free nucleotides exhibits

nickase activity
no activity
endonuclease activity
exonuclease activity

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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
Which will require a higher temperature to denature?

DNA with a high A-T content
RNA with a high G-C content
RNA with a high A-T content
DNA with a high G-C content

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DNA Structure and Replication
The size of a linear DNA fragment in a gel can be estimated by

the sedimentation coefficient
comparison with a molecular weight standard such as Hind III digested phage lambda
fluorescence in UV light
the time it takes the gel to run

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
Leading strand, polymerase
mRNA, anticodons
Lagging strand, ligase

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DNA Structure and Replication
The site on a bacterial chromosome that marks the initiation point for chromosome replication is called

Ori
an initiation codon
a promoter
Pro

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