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biology P1 > DNA replication - 1 > Flashcards

DNA replication - 1 Flashcards

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1
Q

what is semi-conservative replication

A

half the strands in each new DNA molecule are from original DNA molecule

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2
Q

how is DNA replicated (3)

A
  1. DNA helicase breaks hydrogen bonds - forms 2 single strands
  2. original single strands acts as template. complementary base pairing.
  3. condensation joins nucleotides of new strand together - catalysed by DNA polymerase. Hydrogen bonds form between bases
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3
Q

who came up with the theory of semi-conservative DNA replication

A

Watson and Crick

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4
Q

who validated Watson and Crick’s theory

A

Meselson and Stahl

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5
Q
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biology P1 (16 decks)

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