Important Scientists

Question 1

Watson And Crick

Answer 1

Put Franklin and Chargaffs work together to figure out the structure of DNA.

Question 2

Rosalind Franklin

Answer 2

Proposed that DNA is a helical coil.

Question 3

Erwin Chargaff

Answer 3

Discovered the number of Guanine=Cytosine and Adenine=Thymine. (Chargaff’s Rule)

Question 4

Matthew Meselson & Franklin W. Stahl

Answer 4

Demonstrated that DNA replication was semi-conservative by growing E.coli bacteria in an isotope which then incorporated the isotope into their offspring’s DNA

Question 5

Archibald Garrod

Answer 5

First to recognize the connection between genes and proteins when he saw that certain genes were found in particular families.

Question 6

Beadle & Tatum

Answer 6

One-gene-one-protein theory.

Question 7

Vernon Ingram

Answer 7

Protein defects could be traced to a mistake in the replication of DNA passed onto the mRNA or a mistake reading the DNA code by mRNA

Question 8

Josiah Willard Gibbs

Answer 8

Studied the interaction between enthalpy and entropy changes and the temp in chemical reactions. (Gibb’s free energy)

Question 9

Peter Mitchel

Answer 9

Theory of producing ATP through chemiosmotic phosphorylation.

Question 10

Hans Berger

Answer 10

Developed the EEG. (brain waves reader)

Question 11

Otto Loewi

Answer 11

Confirmed the idea of neurotransmitters by discovering acetylcholine.

Question 12

Francois Jacob & Jacques Monod

Answer 12

Created the Operon model of gene regulation.