Diffusion Flashcards
0
Q
Facilitated Diffusion
A
High to Low Concentration
Large Molecules (e.g. Glucose)
Needs Proteins
No Energy
1
Q
Diffusion
A
High to Low Concentration Small Molecules (e.g. Oxygen) No Proteins No Energy Osmosis is an example of this
2
Q
Active Transport
A
Low to High Concentration
Molecules of low concentration outside the cell (e.g. Nitrates)
Needs Proteins
Needs Energy
3
Q
Examples of Diffusion:
A
- Oxygen entering the blood through alveoli
- Osmosis
- Carbon Dioxide leaving the blood and entering the air
4
Q
Examples of Facilitated Diffusion:
A
-Taking amino acids and glucose into the cell
5
Q
Examples of Active Transport:
A
- Uptake of glucose in the intestines.
- Marine fish have gills which can pump out salt.
