Name:_______________________________________________________________ Date: ____________________
Active Transport Worksheet
1. The difference between active and passive transport is that active transport requires _______________________,
while passive transport does not.
2. Define Active Transport:
________________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________________
______________
3. Do molecules crossing a membrane using active transport go WITH or AGAINST the concentration gradient?
________________________
4. Molecules crossing a membrane using active transport go from _____________ concentration to _____________
concentration.
5. What type of energy is needed for active transport? _________________
6. The prefix
exo-
means “out of” and the prefix
endo-
means “taking in”. How do these meanings relate to the
meaning of exocytosis and endocytosis?
________________________________________________________________________________________________________________________________
________________________________________________________________________________________________________________________________
_______________________________________________________________________________________________________________________
7. Define Endocytosis: ______________________________________________________________________________________________________
_____________________________________________________________________________________________________________________________
Draw a picture of endocytosis:
8. Define Exocytosis: ______________________________________________________________________________________________________
_____________________________________________________________________________________________________________________________
Draw a picture of exocytosis:
