ACTIVE TRANSPORT Flashcards
1
Q
DEFINITION
A
active transport is the movement of a substance from an area of LOW concentration to an are of HIGH concentration, across a PARTIALLY PERMEABLE MEMBRANE. It requires ENERGY to take place.
2
Q
KEY POINT
A
Active transport moves a substance AGAINST it’s concentration gradient.
3
Q
KEY POINT
A
The process requires ENERGY.
4
Q
KEY POINT
A
An example of active transport is in plant root cells when MINERAL IONS are transported from the SOIL into the plant from a LOW concentration to HIGH concentration.
