History of Cell Biology

Question 1

Who first used the word “cell”?

Answer 1

Robert Hooke in 1665

Question 2

What did Leeuwenhoek first discover?

Answer 2

Bacteria and living sperm cells

Question 3

What are the three basic cell principles?

Answer 3

All organisms consist of cells, cells are basic units of structure, cells come from pre-existing cells

Question 4

Who constructed the DNA double helix model?

Answer 4

Watson and Crick in 1953

Question 5

What was Earl Sutherland’s discovery?

Answer 5

Cyclic AMP production in liver cells responding to epinephrine

Question 6

What are HeLa cells?

Answer 6

First immortalized cultured cell line, from Henrietta Lacks

Question 7

What is the Hayflick limit?

Answer 7

When normal human cells enter senescent phase and stop dividing

Question 8

What is interphase?

Answer 8

The resting phase between successive mitotic divisions

Question 9

What is the cell cycle?

Answer 9

Series of events as a cell grows and divides

Question 10

Who studied cell cycle control?

Answer 10

Sir Paul Nurse and his colleagues