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1

What is the cell membrane made of

Phospholipids and transport protein

2

What is the difference between Permeable and Impermeable cell membranes

Permeable: Able to pass through
Impermeable: Not able to pass through

3

What is diffusion

When molecules move from a high to low concentration.

4

What causes diffusion to take place

The difference of concentration

5

What is osmosis

The diffusion of water

6

What is facilitated diffusion

Helper protein that moves things across the membrane

7

Three types of passive transport

Diffusion, osmosis, and facilitated diffusion

8

Two types of active transport

Endocytosis (Bringing in) and Exocytosis (Taking out)

9

Unicellular organisms

One cell. Lives in aquatic environments.

10

Multicellular organisms

Multiple cells

11

Levels of organization (Simplest to complex)

Cells
Tissue
Organs
Organ system
Organism