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DNA Structure and Replication

DNA Structure and Replication
Which of the following enzyme adds complementary bases during replication?

Helicase
Synthesase
Replicase
Polymerase

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DNA Structure and Replication
An RNA primer is synthesized by

DNA topoisomerase
primase
ligase
DNA helicases

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DNA Structure and Replication
There is a single origin for DNA replication in bacteria. How many origins of replication are found in the much larger genomes of eukaryotes such as mammals?

One
none of these
About 100
Thousands and tens of thousands

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

Strongylocentrotus purpuratus
Xenopus laevis
Saccharomyces cerevisiae
Arabidopsis thaliana

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DNA Structure and Replication
A cesium chloride will separate DNA molecules by

absorption
resorption
density
adhesion

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DNA Structure and Replication
The role of primase is to

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

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