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DNA Structure and Replication

DNA Structure and Replication
Each replication bubbles consists of

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

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

RNA ligase
gyrase
polymerase
DNA ligase

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DNA Structure and Replication
DNA replication results in

one new DNA molecules 1 old molecule
two DNA molecules such that each one contains a strand of the original
two completely new DNA molecules
one new molecule of RNA

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DNA Structure and Replication
What is the range of melting point temperatures (Tm) for most DNA molecules?

70 to 90°C
60 to 80°C
80 to l00°C
50 to 60°C

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DNA Structure and Replication
An important difference between eukaryotic and prokaryotic DNA replication is

eukaryotic DNA polymerases are faster
multiple origins of replication in eukaryotes
RNA primers are not required in eukaryotes
more DNA polymerases are found in eukaryotes

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DNA Structure and Replication
In DNA replication, one new strand is synthesized complementary to an old (parent) strand and is referred as

semiconservative
mutational
discontinuous
antiparallel

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MORE MCQ ON DNA Structure and Replication

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