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DNA Structure and Replication

DNA Structure and Replication
Proteins which help to open the double helix for DNA synthesis are

DNA topoisomerase
single stranded binding proteins
ligase
DNA helicases

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

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

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

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

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DNA Structure and Replication
An enzyme that recognizes foreign DNA, and results in a cut in that DNA is called

transposase
reverse transcriptase
restriction endonuclease
helicase

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DNA Structure and Replication
DNAs when charged, migrate in a gel towards the

will not migrate
none of these
negative pole
positive pole

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DNA Structure and Replication
Enzymes, responsible for unraveling short segments of DNA is

DNA ligase
DNA polymerase
helicase
primase

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