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DNA Structure and Replication

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

will not migrate
negative pole
positive pole
none of these

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DNA Structure and Replication
Which of the following are short nucleotides strands made by DNA polymerase working in the opposite direction of the replication fork?

Leading strands
Primers
Okazaki fragments
Lagging strand

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DNA Structure and Replication
DNA segments capable of moving from one place in the genome to another is known as

moving elements
introns
transposons
retrovirus

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DNA Structure and Replication
An RNA primer is synthesized by

DNA helicases
DNA topoisomerase
ligase
primase

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DNA Structure and Replication
In DNA double helix, the two DNA chains are held together by

None of these
ionic bonds between the pair of bases
covalent bonds between the pair of bases
hydrogen bonds between the pair of bases

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DNA Structure and Replication
Without telomerase, what would happen to the ends of chromosomes after each round of replication?

Chromosomes would get longer
Nothing would happen
Chromosomes would become progressively shorter
None of these

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