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DNA Structure and Replication

DNA Structure and Replication
Which enzyme catalyzes the elongation of DNA molecules?

DNA polymerase
Primase
Helicase
DNA ligase

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DNA Structure and Replication
What is the exact name of the classical Watson-Crick double helix DNA?

B-DNA
Z-DNA
A-DNA
X-DNA

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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?

none of these
About 100
One
Thousands and tens of thousands

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DNA Structure and Replication
DNA with a G-C content of 50% will melt at approximately

100 °C
70 °C
90 °C
60°C

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

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

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DNA Structure and Replication
The most common liquid volumes in molecular biology are measured in

μl
1
ml
nl

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