Chapter 8.1 DNA

Question 1

Results of the Griffith Experiment?

Answer 1

Smooth Strain (virulent/deadly) - died
Rough strain (non-virulent)- lives
Heat killed smooth strain- lives
Rough Strain + heat-killed smooth strain- died

Question 2

Details on the Griffith Experiment?-

Answer 2

Researching pneumonia
Transformation is the process of the strain acquiring a factor of the other bacteria

Question 3

Results of the Avery experiment.

Answer 3

*all destroyed by enzymes
DNA destroyed- no transformation
RNA destroyed- transformation
Proteins destroyed - transformation

Question 4

Details of the Avery experiments.

Answer 4

Not fully convinced DNA was responsible for heredity
Thought to be too simple for complex traits.

Question 5

Hershey and Chase experiment.

Answer 5

Radioactively tagged molecules- found inside bacterial host cells.
Not tagged - Was not found in the host cells.

Question 6

Parts of a nucleotide.

Answer 6

Phosphate groups, sugar, nitrogenous bases.

Question 7

DNA molecule structure

Answer 7

A corresponds with T, G corresponds with C, connected by hydrogen bonds, run antiparallel.

Question 8

DNA traits.

Answer 8

Deoxyribose, A-T G-C, double-stranded, stores information.

Question 9

RNA traits.

Answer 9

Ribose, A-U G-C, single-stranded, makes proteins.

Question 10

If C=31%, calculate other bases.

Answer 10

G- 31%
A= 19%
T= 19%