DNA

Question 1

What is DNA

Answer 1

Deoxyribonucleic acid.
The molecule that carries genetic information for the development of an organism.
Hereditary material in humans and all other organisms

Question 2

What does “cell cycle” mean?

Answer 2

A series of events that takes place in a cell as it grows and divides.

Question 3

Name the two main stages of cell cycle

Answer 3

Growth stage (interphase)
Division stage

Question 4

What is growth/interphase stage

Answer 4

• Where most of a cells life is spent
• At the end of interphase organelles and DNA prep for cell division

Question 5

What are the two main things that happen during the division division stage?

Answer 5

Mitosis

Cytokinesis

Question 6

What is mitosis

Answer 6

Division of the nucleus

Question 7

What is cytokinesis?

Answer 7

Division of cytoplasm

Question 8

Name the three reasons why cells divide

Answer 8

Growth: Cells are then able to grow from a single cell into a multi celled organism

Maintenance: Cell division, replaces old worn out or dead cells

Repair: Cell division regenerates damaged tissues

Question 9

What is regeneration?

Answer 9

The ability to grow new cells to replace damage or lost body components