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Related Flashcards
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Cards In This Set
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1.) A
DNA molecule or region of DNA that replicate as an individual unit.
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1.) Replicon
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1.) A
DNA base sequence at which replication of a molecule is initiated.
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1.) Origin of replication
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1.) A
primer, short RNA molecule, elongates by adding successive deoxyribonucleotides
to the 3’ end. At a later stage, the primer RNA is removed and replaced with an
equivalent stretch of DNA.
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1.) Initiation (of DNA synthesis)
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1.) Nucleotide
monomers can be added to the 3’ end of the growing daughter strand.
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1.) Elongation
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1.) continuously
replicated strand
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1.) Leading Strand
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1.) non-continuously
replicated strand
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1.) Lagging Strand
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1.) Corrected
immediately after they occur by an enzymatic function called proofreading.
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1.) Incorporation Error
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1.) Corrects
incorporation errors.
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1.) Proofreading
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1.) The
mechanism in which each parental DNA strand remains intact and serves as a
template for a daughter strand.
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1.) Semiconservative replication
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1.) Separating
of parent and daughter strands by use of an ultracentrifuge. ¹⁵N heavy nitrogen
was used to alter density of DNA.
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1.) Messalin-Stahl Experiment
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1.) Replication
circle that is shaped like the Greek letter theta.
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1.) θ Replication
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1.) The
region in which parental strands are separating and new strands are being
synthesized.
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1.) Replication fork
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1.) Where
replication forks going in opposite direction meet.
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1.) Terminus of replication
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1.) Replication
proceeding in opposite directions from an origin of replication.
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1.) Bidirectional replication
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1.) The
process by which circular DNA molecules replicate that does not include a θ-shaped
intermediate.
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1.) Rolling-circle replication
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