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Biology > Meselson and Stahl > Flashcards

Meselson and Stahl Flashcards

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1
Q

What is semi-conservative replication?

A

Each replicated DNA molecule contains one of the original DNA strands strand and one newly synthesized DNA strand

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2
Q

What’s conservative replication?

A

The original DNA stays intact following DNA replication and the two newly synthesized strands of DNA join together

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3
Q

What did M+S conclude

A

DNA replicates semi-conservitively

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4
Q

What are 3 pieces of background information for the study of M+S?

A
  1. DNA bases are nitrogenous
  2. The experiment uses two nitrogen isotopes- N14(lighter)+ N15(heavier)
  3. Bacteria take in the nitrogen isotopes to make new DNA nucleotides
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Biology (32 decks)

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