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DNA Structure and Replication

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

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

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

ligase
DNA topoisomerase
single stranded binding proteins
DNA helicases

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DNA Structure and Replication
Each replication bubbles consists of

4 replication forks
2 replication forks
1 replication forks
3 replication forks

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DNA Structure and Replication
What is the name given to the points at which a DNA helix is unwound and new strands develop?

Leading strands
Replication forks
Replication origins
Okazaki fragments

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

positive pole
will not migrate
negative pole
none of these

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DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
ligase
primase
DNA helicases

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