Day 14 DO NOW: What happens when you put salt on a slug or a snail? AIM: What is Osmosis?. http://www.youtube.com/watch?v=PiQkebrCw8U. 20 Salt 20 water. 20 Salt 10 water. 10 Salt 20 Water. 10 Salt 10 Water. What is osmosis?. Osmosis is the diffusion of water through a membrane.
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Day 14DO NOW: What happens when you put salt on a slug or a snail?AIM: What is Osmosis?
Water goes in
Water goes out
What are the effects of osmosis? (b)
Water goes in (only)
What are the effects of osmosis? (c)
Water comes out (only)
Salt sucks the water out of the cell
If the plant cell is placed in a solution of high concentration of solute……
then the water will leave the cell causing the cytoplasm to shrink.
The cell wall remains the same!!
If the plant cell is placed in a solution of low concentration of solute……
then the water will enter the cell causing the cytoplasm to swell.
The cell wall begins to swell, deforming the shape!!
DO NOW: How would you define someone who is active? ____________________
How would you define someone who is passive? ___________________________
Day 15What is Passive and Active Transport?
How to Remember Passive Transport
Need Energy (ATP)
How to Remember Active Transport
Active transport that requires energy. Movement molecules from low concentration to high.
Other Type of Active Transport
Why is Cellular Transport Important?
Red Onion in tap water