Diffusion and osmosis LT 6 10 4 SWABT
![Diffusion and osmosis LT 6. 10. 4 SWABT describe and compare different mechanisms of Diffusion and osmosis LT 6. 10. 4 SWABT describe and compare different mechanisms of](https://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-1.jpg)
Diffusion and osmosis LT 6. 10. 4 SWABT describe and compare different mechanisms of substance transport into and out of cells (e. g. diffusion, osmosis, passive and active transport)
![Do gummy bears grow up? Do gummy bears grow up?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-2.jpg)
Do gummy bears grow up?
![Have you ever bought a bag of gummy bears? Are all gummy bears approximately Have you ever bought a bag of gummy bears? Are all gummy bears approximately](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-3.jpg)
Have you ever bought a bag of gummy bears? Are all gummy bears approximately the same size?
![Do gummy bears grow up? Let’s check this out!! Do gummy bears grow up? Let’s check this out!!](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-4.jpg)
Do gummy bears grow up? Let’s check this out!!
![Hands on activity • Here are your gummy bears! • Your job will be Hands on activity • Here are your gummy bears! • Your job will be](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-5.jpg)
Hands on activity • Here are your gummy bears! • Your job will be to PREDICT & OBSERVE what happens to your gummy bears when you merge them into water • First, make a prediction: what does it happen to the gummy bears if you put them in water? • Then, record the weight of your gummy bear
![Possible questions • Does the color affect what is going to happen to the Possible questions • Does the color affect what is going to happen to the](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-6.jpg)
Possible questions • Does the color affect what is going to happen to the gummy bear? • Is the color going to dissolve? • Will the size of gummy bear change in water? • Make a prediction • Discuss it with your partner
![Diffusion and Osmosis Diffusion and Osmosis](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-7.jpg)
Diffusion and Osmosis
![Diffusion and Osmosis • Passive transports: diffusion (simple & facilitated) and osmosis • Active Diffusion and Osmosis • Passive transports: diffusion (simple & facilitated) and osmosis • Active](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-8.jpg)
Diffusion and Osmosis • Passive transports: diffusion (simple & facilitated) and osmosis • Active transport
![Diffusion and Osmosis Materials move across membranes because of concentration differences. Diffusion and Osmosis Materials move across membranes because of concentration differences.](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-9.jpg)
Diffusion and Osmosis Materials move across membranes because of concentration differences.
![Diffusion and Osmosis Passive transport does not require energy input from a cell. • Diffusion and Osmosis Passive transport does not require energy input from a cell. •](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-10.jpg)
Diffusion and Osmosis Passive transport does not require energy input from a cell. • Molecules can move across the cell membrane through passive transport. • There are two types of passive transport. • diffusion • osmosis
![Molecules move from high to low concentration • Diffusion – move from HIGH to Molecules move from high to low concentration • Diffusion – move from HIGH to](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-11.jpg)
Molecules move from high to low concentration • Diffusion – move from HIGH to LOW concentration
![Diffusion • Move from HIGH to LOW concentration – passive transport – no energy Diffusion • Move from HIGH to LOW concentration – passive transport – no energy](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-12.jpg)
Diffusion • Move from HIGH to LOW concentration – passive transport – no energy needed diffusion
![Simple Diffusion • Move from HIGH to LOW fat inside cell fat LOW fat Simple Diffusion • Move from HIGH to LOW fat inside cell fat LOW fat](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-13.jpg)
Simple Diffusion • Move from HIGH to LOW fat inside cell fat LOW fat fat Which way will fat move? HIGH fat outside cell fat fat
![Facilitated Diffusion • Move from HIGH to LOW through a channel sugar inside cell Facilitated Diffusion • Move from HIGH to LOW through a channel sugar inside cell](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-14.jpg)
Facilitated Diffusion • Move from HIGH to LOW through a channel sugar inside cell sugar sugar LOW Which way will sugar move? HIGH outside cell sugar sugar
![Diffusion - Summarize • Move from HIGH to LOW concentration – directly through membrane Diffusion - Summarize • Move from HIGH to LOW concentration – directly through membrane](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-15.jpg)
Diffusion - Summarize • Move from HIGH to LOW concentration – directly through membrane • simple diffusion • no energy needed – help through a protein channel • facilitated diffusion (with help) • no energy needed HIGH LOW
![Simple vs. facilitated diffusion simple diffusion inside cell lipid facilitated diffusion inside cell H Simple vs. facilitated diffusion simple diffusion inside cell lipid facilitated diffusion inside cell H](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-16.jpg)
Simple vs. facilitated diffusion simple diffusion inside cell lipid facilitated diffusion inside cell H 2 O protein channel outside cell H 2 O
![Active transport • Cells may need molecules to move against concentration gradient – need Active transport • Cells may need molecules to move against concentration gradient – need](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-17.jpg)
Active transport • Cells may need molecules to move against concentration gradient – need to pump “uphill” • from LOW to HIGH using energy – protein pump – requires energy • ATP
![Transport summary simple diffusion facilitated diffusion active transport ATP Transport summary simple diffusion facilitated diffusion active transport ATP](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-18.jpg)
Transport summary simple diffusion facilitated diffusion active transport ATP
![Osmosis • Movement of WATER into a region of higher solute concentration diffusion of Osmosis • Movement of WATER into a region of higher solute concentration diffusion of](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-19.jpg)
Osmosis • Movement of WATER into a region of higher solute concentration diffusion of water osmosis
![Osmosis (diffusion of water) • http: //www. youtube. com/watch? v=sdi. Jt. DRJQ Ec Osmosis (diffusion of water) • http: //www. youtube. com/watch? v=sdi. Jt. DRJQ Ec](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-20.jpg)
Osmosis (diffusion of water) • http: //www. youtube. com/watch? v=sdi. Jt. DRJQ Ec
![White board • What’s the main difference between passive and active transport? White board • What’s the main difference between passive and active transport?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-21.jpg)
White board • What’s the main difference between passive and active transport?
![White board • How many types of passive transport do you know? White board • How many types of passive transport do you know?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-22.jpg)
White board • How many types of passive transport do you know?
![White board • Describe the facilitated passive transport • Why is it called “facilitated” White board • Describe the facilitated passive transport • Why is it called “facilitated”](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-23.jpg)
White board • Describe the facilitated passive transport • Why is it called “facilitated” passive transport?
![White board • What are protein channels? White board • What are protein channels?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-24.jpg)
White board • What are protein channels?
![White board • Describe active transport White board • Describe active transport](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-25.jpg)
White board • Describe active transport
![White board • What is osmosis? White board • What is osmosis?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-26.jpg)
White board • What is osmosis?
![White board • Is osmosis a passive or active transport mechanism? White board • Is osmosis a passive or active transport mechanism?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-27.jpg)
White board • Is osmosis a passive or active transport mechanism?
![Diffusion and Osmosis • There are three types of solutions. • isotonic • hypertonic Diffusion and Osmosis • There are three types of solutions. • isotonic • hypertonic](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-28.jpg)
Diffusion and Osmosis • There are three types of solutions. • isotonic • hypertonic • hypotonic
![Isotonic solution Isotonic solution](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-29.jpg)
Isotonic solution
![Hypertonic solution Hypertonic solution](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-30.jpg)
Hypertonic solution
![Hypotonic solution Hypotonic solution](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-31.jpg)
Hypotonic solution
![Keeping water balance Cell survival depends on balancing water uptake & water loss freshwater Keeping water balance Cell survival depends on balancing water uptake & water loss freshwater](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-32.jpg)
Keeping water balance Cell survival depends on balancing water uptake & water loss freshwater balanced saltwater
![J-TPS J-TPS](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-33.jpg)
J-TPS
![Can you reverse the process? How? Can you reverse the process? How?](http://slidetodoc.com/presentation_image_h/27c6a2b0832359434b456a331e5957d8/image-34.jpg)
Can you reverse the process? How?
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