Biology: Diffusion

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Osmosis Definition:

The movement of water molecules through a solute.

Endocytosis Definition:

The process of capturing a substance or particle from outside the cell by engulfing it with the cell membrane, and bringing it into the cell.

Facilitated Diffusion Definition:

The process of molecules or ions that move across/through a membrane.

Exocytosis Definition:

The process of vesicles fusing with the plasma membrane and releasing their contents to the outside of the cell.Feb 24, 2012

Active Transport: Uses Energy?

Yes

Active Transport: Uses Proteins?

Yes

Endocytosis: Uses Energy?

Yes

Endocytosis: Uses Proteins?

Yes

Endocytosis: Uses Vesicle?

Yes

Exocytosis: Uses Energy?

Yes

Exocytosis: Uses Proteins?

Yes

Exocytosis: Uses Vesicles?

Yes

Facilitated Diffusion: Uses Proteins?

Yes

Active Transport: Passive or Active Transport?

Active

Exocytosis Example:

Antibodies

Endocytosis Example:

Bacteria

Endocytosis:Passive or Active Transport?

Both

Exocytosis: Passive or Active Transport

Both

Facilitated Diffusion Example:

Glucose

Active Transport: Moves to?

High

Diffusion: Moves from?

High

Facilitated Diffusion: Moves from?

High

Osmosis: Moves rom?

High

Endocytosis: Moves to?

Inside

Exocytosis: Moves from?

Inside

Active Transport: Moves from?

Low

Diffusion: Moves to?

Low

Facilitated Diffusion: Moves to?

Low

Osmosis: Moves to?

Low

Active Transport: Uses Vesicles?

No

Diffusion: Uses Energy?

No

Diffusion: Uses Proteins?

No

Diffusion: Uses Vesicles?

No

Facilitated Diffusion: Uses Energy?

No

Facilitated Diffusion: Uses Vesicles?

No

Osmosis: Uses Energy?

No

Osmosis: Uses Proteins?

No

Osmosis: Uses Vesicles?

No

Endocytosis: Moves from?

Outside

Exocytosis: Moves to?

Outside

Diffusion Example:

Oxygen

Diffusion: Passive or Active Transport:

Passive

Facilitated Diffusion: Passive or Active Transport

Passive

Osmosis: Passive or Active Transport?

Passive

Active Transport Example:

Sodium

Active Transport Definition:

The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.

Osmosis Example:

Water

Diffusion Definition:

When molecules move from High concentration to low concentration and never stop moving


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