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DNA Structure and Replication

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

will not migrate
none of these
positive pole
negative pole

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DNA Structure and Replication
Which will require a higher temperature to denature?

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

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DNA Structure and Replication
30 nm wide helix with five or six nucleosomes per helix is known as

halonoid
solenoid
none of these
kinoplast

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DNA Structure and Replication
The melting of 40-45 bp at the oriC site of E. coli requires

DNA + ATP + HU
DNA + ATP + HU + DNAb + DNAa + Pol III holoenzyme
DNA + ATP + HU + DNAb
DNA+ ATP + HU + DNAb + DNAa

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DNA Structure and Replication
Which of the following species lack a 'classical' histone H1?

Saccharomyces cerevisiae
Arabidopsis thaliana
Xenopus laevis
Strongylocentrotus purpuratus

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DNA Structure and Replication
An RNA primer is synthesized by

ligase
DNA helicases
primase
DNA topoisomerase

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