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DNA Structure and Replication

DNA Structure and Replication
What is the IUPAC code for an A, C, T ambiguity in a nucleic acid sequence?

None of these
B
H
S

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

negative pole
positive pole
none of these
will not migrate

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DNA Structure and Replication
Okazaki fragments occur on the __________ and are bonded together by __________

tRNA, polymerase
mRNA, anticodons
Leading strand, polymerase
Lagging strand, ligase

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

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

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DNA Structure and Replication
The replication of a linear DNA molecule in a eukaryotic chromosome creates a problem which is reported to be sorted out by

using RNA as a template
shortening of the double stranded replicated portion
using enzyme called telomerase
None of these

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

Helicase
DNA ligase
Primase
DNA polymerase

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