6 Written Questions

1. process that changes one strain of bacteria to another using genes
2. 1. phosphate
   2. sugar
   3. base (A, T, G, C)
3. ability to take in genes from another source
4. in 1953 created model of DNA
5. in 1952 used xray diffraction to view DNA
6. experiment: in 1952 studied viruses that affect bacteria
   conclusion: DNA not protein, was the genetic material

5 Multiple Choice Questions

1. 1. storing information
   2. copying information
   3. transmitting information
   1. Avery
   2. Franklin
   3. naked uptake
   4. role of DNA
2. 1. double helix
   2. hydrogen bonds held bases together
   3. base pairing
   1. Hershey and Chase
   2. Franklins 3 findings
   3. Watson and Crick
   4. Watson and Cricks 3 ideas
3. 1. DNA is twisted
   2. DNA made of 2 strands
   3. bases are in the middle
   1. Franklins 3 findings
   2. pyrimidines
   3. Franklin
   4. role of DNA
4. made of 1 ring: thymine, cytosine
   1. pyrimidines
   2. purines
   3. Franklin
   4. Griffith
5. made of 2 rings: adenine, guanine
   1. purines
   2. pyrimidines
   3. Franklin
   4. Griffith

5 True/False Questions

1. chargaff's rule → [A]=[T] and [G]=[C]

   True        False

2. 3 things that Bacteriophage does → 1. phosphate
   2. sugar
   3. base (A, T, G, C)

   True        False

3. Avery → in 1952 used xray diffraction to view DNA

   True        False

4. Griffith → experiment: in 1928 worked on bacteria and pneumonia in mice
   conclusion: genetic info can be transferred from one bacterium to another

   True        False

5. bacteriophage → ability to take in genes from another source

   True        False