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DNA Structure and Replication

DNA Structure and Replication
After one replication in 15N, how many bands should be observed in a cesium chloride gradient?

A smear
Two
One
Three

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DNA Structure and Replication
The 5' and 3' numbers are related to the

the number of phosphates
length of the DNA strand
carbon number in sugar
the base pair rule

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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?

Replication forks
Leading strands
Replication origins
Okazaki fragments

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DNA Structure and Replication
The nicks or gaps between Okazaki fragments are eventually sealed by

gyrase
RNA ligase
polymerase
DNA ligase

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

kinoplast
halonoid
solenoid
none of these

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DNA Structure and Replication
Okazaki fragments occur during

synthesis
replication
polymerase reaction
transformation

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