CELL PROCESSES Part of AS91156. Transport Passive Transport Active Transport.
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Day 2 Diffusion.notebook BellRinger: Draw a cell membrane with a transport protein. Use your own words to define "passive".
Transcript of transport protein. passive.biologyoc.weebly.com/uploads/2/3/4/9/23493098/day_2_membrane.… · List...
Day 2 Diffusion.notebook
BellRinger:
Draw a cell membrane with a transport protein. Use your own words to define "passive".
Day 2 Diffusion.notebook
Standard: Students will analyze the nature of the relationships between structures and functions in living cells.
Element: Explain the role of cell organelles for both prokaryotic and eukaryotic cells, including the cell membrane , in maintaining homeostasis and cell reproduction.
EQ: What is diffusion?
Day 2 Diffusion.notebook
The cell membrane moves substances into and out of the cell in a variety of ways.
In passive transport, the cell does not use energy to move substances into and out of the cell.
In active transport, the cell is required to use energy to moves substances into and out of the cell.
Day 2 Diffusion.notebook
Which of these people is passive?Which is active?
In active transport the cell in required to use energy to move substances into and out of the cell.
Day 2 Diffusion.notebook
The method that a cell uses to transport a substance often depends on the concentration of that substance.
Concentration is the amount of a particular substance in a given volume.
Day 2 Diffusion.notebook
In the picture below, which side has the highest concentration of particles?
Day 2 Diffusion.notebook
When one area has a higher concentration than another, a concentration gradient exists.
Day 2 Diffusion.notebook
Substances move from an area of high concentration to an area of lower concentration.
This movement down the concentration gradient is called diffusion.
Day 2 Diffusion.notebook
Diffusion
Day 2 Diffusion.notebook
When the space is filled evenly, a state of equilibrium is reached.
Day 2 Diffusion.notebook
Simple diffusion is when particles diffuse directly through the cell membrane.
Day 2 Diffusion.notebook
Simple diffusion is when particles diffuse directly through the cell membrane.
Day 2 Diffusion.notebook
As we know, charged particles cannot diffuse directly through the cell membrane.
These particles require the help of a transport protein to cross the cell membrane. This is facilitated diffusion.
Day 2 Diffusion.notebook
Facilitated Diffusion
transport protein
Day 2 Diffusion.notebook
Day 2 Diffusion.notebook
Day 2 Diffusion.notebook
3213. List three components of the cell membrane.
2. List TWO types of passive transport.
1. List ONE way that passive transport is different from active transport.
