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Transcript
Cellular Transport PPT notes
What must cells take in to survive? ________________________________________________________
What part of the cell allows it to take in nutrients and water? ____________________________________
Does it have another name?
What is the cell membrane made of? ______________________________________________________
What is the process for cells to move substances through the cell membrane? _____________________
Two Types of Transport
Passive Transport
What is Diffusion or Passive Transport?
1.
_________________________________________________________________________________
2.
_________________________________________________________________________________
3.
_________________________________________________________________________________
The purpose of diffusion is to reach _______________________________________________________
Types of Passive Transport
Osmosis
Facilitated Diffusion
Explain what is happening during osmosis. The _______________ molecules are moving from _________
concentration to _________ concentration in order to reach _________________________.
In other words….
Help Wanted! Explain facilitated diffusion: _______________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
OBSERVATIONS OF OSMOSIS
80%
H2O
80%
H2O
100% Distilled
Water
80% Water
20%
Dissolved
Substances
80%
H2O
70% Water
30%
Dissolved
Substances
What is a Hypertonic solution? What happens
to the cell in this solution?
What is a Hypotonic solution? What happens
to the cell in this solution?
What is an Isotonic solution? What happens
to the cell in this solution?
Review
___
___
___
___
1.
2.
3.
4.
Cell membrane
Proteins and lipids
Active and Passive
Diffusion
a.
b.
c.
d.
two types of transport
movement of water across a membrane
movement of substances across a membrane
part of the cell that regulates what goes in and out
___
___
5.
6.
Osmosis
Facilitated diffusion
e.
f.
movement assisted with channel proteins.
two components of the cell membrane
ACTIVE TRANSPORT
How is Active Transport different from Passive Transport?
1. _______________________________________________________________________________
2. _______________________________________________________________________________
3. _______________________________________________________________________________
Types of Active Transport
Enters the cell
Engulfs particle
Exits the cell
Forms Vacuole
Review
energy
concentration
gradient
passive
transport
active
transport
What part of the cell is used to bring in particles? ____________________________________________
How does a cell (including white blood cells) take in LARGE particles? ___________________________
How does a cell take in small or liquid particles? _____________________________________________