Chapter 7

Question 1

Frederick Griffiths

Answer 1

created transformation principle

Question 2

Avery, McCarty, MacLeod

Answer 2

They found out DNA is transforming agent by destroying lethal DNA with DNAse and that is the only rat that survived.

Question 3

Hershey and Chase

Answer 3

found out that DNA was the material that phages use by using phosphorous isotope to coat DNA and that stayed in cells when phages were gone

Question 4

Rosalind Franklin and Wilkins

Answer 4

She did the x-ray crystallography of DNA but she was not able to make heads or tails of it.

Question 5

Chargaff

Answer 5

He figured out that every adenosine pairs with a thyamine as well as G and C.

Question 6

James Watson, Frances Crick

Answer 6

They “found” crystallography photos. with that info and other info like chargaffs ratio and linus pauling’s alpha helix proteins, they build the DNA model.

Question 7

Messelson and Stahl

Answer 7

discovered semiconservative replication

Question 8

Eukaryotic DNA polymerase (Alpha)

Answer 8

Initiates DNA replication in conjunction with with primase

Question 9

Eukaryotic DNA polymerase (epsilon)

Answer 9

replication of leading strand during S phase

Question 10

Eukaryotic DNA polymerase (Delta)

Answer 10

replication of lagging strand during S phase

Question 11

Eukaryotic DNA polymerase (Upsilon)

Answer 11

replication of mitochondrial DNA