LECTURE 7 MOLECULAR GENETICS Flashcards Preview

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Flashcards in LECTURE 7 MOLECULAR GENETICS Deck (6)
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1

What experiments convinced Scientists DNA was the genetic material?

Transformation: Griffith (1928)
Avery, McCarty, and MacLeod – 1944
Hershey and Chase, 1952

2

How might DNA be synthesized?

- Conservative model
- Semiconservative model
- Dispersive

3

What is the structure of DNA?

•Antiparallel Double Helix
•Complementary Strands
•Specific Base Pairing

4

What did the structure of DNA suggest?

it suggested the semiconservative replication mechanism
•Meselson and Stahl

5

What does the Chargaff’s Rule state?

in any species there is an equal number of A and T bases, and an equal number of G and C bases

6

Who determined the structure of DNA first?

Watson and Crick

The Double Helix, by Watson