DNA Replication Lecture
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Flashcards covering key concepts from the lecture on DNA replication.
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10 Terms
Semi-conservative replication
A type of DNA replication where each new DNA molecule consists of one old strand and one new strand.
Origin of replication
The specific DNA sequence where DNA replication begins.
Helicase
An enzyme that unwinds and separates the strands of double-stranded DNA during replication.
Replication fork
Y-shaped structure formed during DNA replication where the double helix separates.
Leading strand
The DNA strand that is synthesized continuously in the same direction as the replication fork opens.
Lagging strand
The DNA strand that is synthesized discontinuously in short segments (Okazaki fragments) opposite to the direction of the replication fork.
Okazaki fragments
Short segments of DNA created on the lagging strand during DNA replication.
Telomerase
An enzyme that extends telomeres to prevent the loss of genetic information during DNA replication at the ends of chromosomes.
Eukaryotic chromosomes
Linear DNA molecules that have multiple origins of replication.
Replication bubble
Structure formed during DNA replication containing two replication forks.
Note 
Flashcards (92)