Cell Transport Notes
1. Fill in the chart you see on the board:
Passive Transport
Active Transport
Diffusion
Endocytosis
Exocytosis
Osmosis
Cell membrane
CELL TRANSPORT RECAP:
2. A cell must be able to transport materials in order to be able to get what
they need.
3. Recall that the cell membrane is the specific cell organelle that materials pass through. It is
considered to be ____Selectively permeable________.
4. Molecules are selected based on the size of the ___Pores_______, size of the
___Molecules___, and the Chemical Composition of the molecule.
5. Cell transport can either be __Passive______ or ______Active_______ based on whether or
not energy is required.
PASSIVE TRANSPORT:
6. __Passive Transport ____ is the movement of a substance
across the cell membrane without the cell having to use any
7. This is because the particles move from an area of
____High________ concentration to an area of ___Low
Concentration_.
8. Diffusion is a type of passive transport and involves small
particles moving from an area of _High________
___Concentration______.
Examples
Kool-Aid in
Water
energy.
concentration to an area of ____Low_____
Drawing
1.
Broken cologne
bottle
Dye in water
9. Osmosis is the diffusion of _WATER______ through a
cell membrane. Water molecules move from an area of
__High________ concentration to an area of
___Low_______ concentration.
ACTIVE TRANSPORT OF SMALL PARTICLES
10. Active transport requires __ENERGY_______
11. Sometimes the cell must use __energy_____ to move
molecules against the normal direction of diffusion. This
means the particles move from an area of ___Low___
concentration to a __High________ concentration. The
energy used in the cell comes from _ATP______.
1.
ACTIVE TRANSPORT OF LARGE
PARTICLES:
12. In order to move large particles,
the cell uses two different
processes to move particles
_Into___ the cell and ____Out
of_____ the cell.
13. Endocytosis involves bringing
particles _Into___ the cell.
(The prefix “endo” means
__Into_)
14. Exocytosis involves Moving ___
particles out of the cell.
(The prefix “exo” means _Exit__)