Active Transport Flashcards
1
Q
Define active transport
A
The movement of substances against a concentration gradient.
2
Q
What is the process of active transport.
A
Used to transport large, polar (hydrophilic) molecules or ions.
A molecule attaches to a carrier protein and it changes shape.
3
Q
Is active transport passive?
A
No, it requires energy from ATP.
4
Q
How is ATP made?
A
Made by respiration.
