13
AP Biology Discussion Notes Tuesday 1/6/2015

AP Biology Discussion Notes Tuesday 1/6/2015. Goals for Today Be able to name the scientists that helped build our knowledge of DNA and be able to describe

Embed Size (px)

Citation preview

AP Biology Discussion Notes

Tuesday 1/6/2015

Goals for Today• Be able to name the scientists that helped

build our knowledge of DNA and be able to describe their contributions

• Be able to discuss how scientific understanding is built

• Be able to list or understand the contributions of less known scientists

• Be name the 3 basic components of DNA

Question of the Day 1/6

• If you have a species with 35% Cytosine what percentage of the other base pairs would there be? –A-–G-–T-

2.Who discovered this “rule”

Question of the Day 1/6

• If you have a species with 35% Cytosine what percentage of the other base pairs would there be? –A-–G-–T-

2.Who discovered this “rule”

Turn in Goals

Base Pairing Purines:

Pyrimidines:

Purine - Pyrimidine

Base Pairing Look carefully

Why can A only pair with T and C can only pair with G???

Base Pairing

Which pairs would come apart more easily? (Take less _______ to pull apart)

Base Pairing Which DNA strand

would come apart at a lower temperature?

1.25% Adenine

2. 45% Adenine

Secret of Photo 51

Initial Thoughts & Questions• What is the climate like for women in

the 1940s?• Historical Treatment of Minorities

Discovery of DNA’s Structure

• Secret of Photo 51 Video