Any genetic material must - DNA The Chemical Nature of the...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
DNA: The Chemical Nature of the Gene 1. Any genetic material must: a. Replicate b. Mutate c. Store and express information 2. Identifying what the Genetic Material of a cell is a. Before 1944, it was not known b. Many though that genetic material had to be protein; they thought DNA was too simple c. The ability to store information is not determined by the number of different “letters” in the alphabet. d. As the number of letters decreases, the “words” get longer. e. Griffith’s Experiment
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
i. Results : ii. Something from the heat-killed virulent strain had converted the live, avirulent (rough) cells into virulent (smooth) cells. iii. He called the phenomenon transformation . f. Avery’s Experiment i. Inactivated the major chemicals in the extract of homogenized cells one at a time and tested to see if the ability to transform had been lost. ii. Concluded the transforming material was DNA
Background image of page 2
g. Hershey-Chase Experiment (1952) i. Question: What was the material that entered the bacterial cell and directed the
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 06/28/2011 for the course BY 210 taught by Professor Powell during the Summer '08 term at University of Alabama at Birmingham.

Page1 / 9

Any genetic material must - DNA The Chemical Nature of the...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online