Multiple Choice

Question 0

Cell theory

Answer 0

• Cells are the basic unit of structure.

- > every living thing is made of cells

Question 1

Cell division

Answer 1

-Divide so nutrients can reach all parts (it grows and gets to big)
Should not divide if: 
-surrounding cells say no.
-lack of nutrients
-DNA not replicated
-DNA damaged
-animal cells pinched I'm centre 
-plant cells form cell
wall.

Question 2

Tissues 4

Answer 2

-

Question 3

Stem cells

Answer 3

• cells that don’t have a job yet
• differentiate=gradually change to a specific cell type
• research’s purpose- repair tissue that isn’t self healing.
• exist within specialized tissues-> ca oy differentiate into certain cell types

Question 4

Blood cells

Answer 4

-

Question 5

Functions of systems

Answer 5

-

Question 6

Cancer

Answer 6

• Random changes in DNA are mutations

- once division mad growth control is lost it is cancerous.