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D1.1.1. DNA replication as production of exact copies of DNA with identical base sequences. Students should appreciate that DNA replication is required for reproduction and for growth and tissue replacement in multicellular organisms.
- Topic 2.7: DNA REPLICATION
bioninja summary guides.pptx. Topic 2.7: DNA REPLICATION....
- Topic 7.1: DnA ReplicAtion
DNA Sequencing. Sequencing is a technique by which the...
- 3.4 DNA Replication
List. 3.4.1 Explain DNA replication in terms of unwinding of...
- DNA Replication (HL)
DNA replication is a semi-conservative process that is...
- Topic 2.7: DNA REPLICATION
DNA replication is a semi-conservative process whereby pre-existing strands act as templates for newly synthesised strands. The process of DNA replication is coordinated by two key enzymes – helicase and DNA polymerase. Helicase unwinds the double helix and separates the two polynucleotide strands.
DNA replication is semi-conservative because when a new double-stranded DNA molecule is formed: • One strand is from the original template molecule (i.e. conserved) • One strand is newly synthesised (i.e. not conserved) Meselson and Stahl treated DNA with a heavier nitrogen isotope (15N) and then replicated in the presence
