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Page 1: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 2: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 3: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 4: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 5: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Three Types of Cellular Transport

Page 6: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Facilitated Diffusion

• Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS

• Movement is still passive, but assisted and moves in accordance to the concentration gradient

Page 7: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Review: Semipermeable Membranes & Osmosis

Page 8: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Permeable v. Impermeable

• Water• Glucose• Potassium/Iodine

Ions

• Starch

Page 9: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Elodea In Fresh v. Salt Water

Page 10: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Plant Cell In Distilled Water v. RBC

Page 11: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Limnic v. Marine Paramecium

Page 12: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

How do you move materials against a concentration gradient?

Page 13: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

OSHIYA

Page 14: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

ACTIVE TRANSPORT

• Movement of solutes across the cell membrane AGAINST the concentration gradient

• Requirements – Carrier Protein

specific to the solute– Energy reserves

(ATP)

Page 15: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 16: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 17: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Jens Christian Skou

• Dissected 25,000 crab nerves to discover the connection between of the sodium-potassium pump and anaesthetics

• Nobel Prize 1997

Page 18: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Active Transport of Macromolecules

Page 19: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 20: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement
Page 21: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Pinocytosis = “cell drinking”

Page 22: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Reverse Osmosis

• Artificial active transport in which a solution is forced to pass through a semipermeable membrane which filters out some particles while letting others pass

• Used for desalination, concentration of milk and maple syrup, car washes (to prevent spotting) and removing chlorine from water for aquariums

Page 23: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Reverse Osmosis

Page 24: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

Online Simulation: Active, Passive & Facilitated Transport

• 1) Access the website on your handout• 2) Review the four sections on passive

diffusion, facilitated transport, osmosis and active transport

• 3) Answer the questions in your lab notebook (Hon Bio only), using 1-2 complete, concise sentences

Page 25: Three Types of Cellular Transport Facilitated Diffusion Movement of solutes across the plasma membrane requires aid of TRANSPORT PROTEINS Movement

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