Important Dates

Question 1

1983

Answer 1

Kary Mullis, PCR. Nobel prize in 1993.

Question 2

1859

Answer 2

Charles Darwin publishes the Origin of Species.

Question 3

1930

Answer 3

Discovered Viruses, TMV.

Question 4

1860s

Answer 4

Mendel, particulate inheritance.

Question 5

1900

Answer 5

Mendel’s work was rediscovered.

Question 6

1928

Answer 6

Fred Griffith, transforming principle. Worked with Streptococcus pneumoniae, bacteria. Some changed live R bacteria to live S bacteria

Question 7

1944

Answer 7

Avery, McCarty, MacLeod. Transforming agent was actually DNA (bacteria).

Question 8

1952

Answer 8

Hershey & Chase. Waring blender experiment. Radioactive phosphorus that was labeled in DNA, was found in both virus and bacteria. Protein labeled with radioactive sulfur.

Question 9

1953

Answer 9

Watson/Crick. Double Helix Structure of DNA.
Used Chargaff’s rules and Wilkins and Rosalyn Franklin research.

Question 10

1958

Answer 10

Meselson and Stahl, determined method of DNA replication. 3 possible methods, conservative, dispersive and semi-conservative. It’s semi-conservative.

Question 11

1920s

Answer 11

Opatin and J. B. S. Haldane. Independently hypothesized that Earth’s early atmosphere was a reducing environments. A primitive soup.

Question 12

1953

Answer 12

Stanley Miller w/ Harold Urey at Uni Chicago. Tested 1920s theory (Oparin-Haldane), yielded a variety of amino acids found in organisms today.

Question 13

1665

Answer 13

Robert Hooke discovers cells on dead tree bark.