People To Know - Test 3

Question 1

Walther Flemming, 1882

Answer 1

Stained chromosomes of salamander embryos

Observed that cell division occurs in phases

Question 2

Tim Hunt, Hartwell and Nurse (1980s)

Answer 2

Discovered cyclins

Question 3

Meselson and Stahl (1950s)

Answer 3

Discovered semi conservative model of DNA

Question 4

Johnson and Rao

Answer 4

Cell fusion experiment

M phase cell fused with interphase cell

Interphase cell begins to enter into M phase

Question 5

Markert and Masui

Answer 5

Microinjection

M phase cytoplasm into interphase cell

Initiated M phase

Question 6

Katy Mullis (1985)

Answer 6

Invented PCR

Question 7

Frederick Sanger (1985)

Answer 7

Sanger sequencing

Question 8

Myers and Weber

Answer 8

Shotgun sequencing

Question 9

Josh and Ester Lederberg

Answer 9

Bacteria stamping

Showed mutations are random

Question 10

Ghislain Mufti

Answer 10

Custom cancer treatments based on genetics

Gene chip and microarray

Question 11

Dr Withers

Answer 11

Use bacteria that have proteins that cut sugars to customize red blood cells to all be O type

Makes them universal donors