Active Transport Flashcards
1
Q
What happens to ATP when active transport is across a protien carrier?
A
It is hydrolysed to ADP and Pi (phosphate) to change shape of carrier
2
Q
What are some examples of active transport?
A
- Mineral ions into a root hair cell
- Glucose absorption in the small intestine
3
Q
What is bulk transport?
A
- Active transport of large molecules
4
Q
What is the difference between endocytosis and exocytosis?
A
Endocytosis - Enter cell
- Phagocytosis (solid)
- Pinocytosis (liquid)
Exocytosis - Exit cell
- Involves fusion of vesicles with plasma membranes
