DNA replication Flashcards

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1
Q

Describe the process of DNA replication.

A
  • The two strands of the DNA unwind and unzip exposing the bases.
  • Each strand acts as a template for the synthesis of a new complementary strand.
  • So in the each of the two new molecules of DNA produced, one strand is maintained/pre-existing and one strand is newly synthesised.
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2
Q

Explain why the replication of a DNA molecule is termed semi-conservative.

A
  • In the process of DNA replication, the two strands of the DNA separate and each strand is used as a template for the synthesis of a new complementary strand.
  • So in the each of the two new molecules of DNA produced, one strand is maintained/pre-existing and one strand is newly synthesised.
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3
Q

Explain why DNA needs to be replicated prior to cell division.

A
  • To ensure that both daughter cells receive an identical copy of the DNA to the parent cell.
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