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7.4 – Cellular Transport State Standards SB1a Explain the role of cell organelles for both prokaryotic & eukaryotic cells, including the cell membrane, in maintaining homeostasis & cell reproduction. SB1d Explain the impact of water on life processes (i.e. – osmosis/diffusion) Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Cellular Transport There are various mechanisms that transport materials _____ and _____ of the cell. All of them involve the plasma ____________ and are at the heart of ____________. There are _____ types of movement across the plasma membrane: ____________ Transport and ____________ Transport Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Movement of particles across the cell membrane ____________ using ____________ There are _____ types of passive transport: ____________ ____________ Diffusion and ____________ Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport – Cont’d Type 1: ____________ Movement of substances across the cell membrane from and area of ________ concentration to an area of ________ concentration. HIGH LOW Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Diffusion Cont’d Having different concentrations in different areas creates a ____________ ____________, and molecules will naturally move from high to low. Students: Draw arrows on the diagram to show which direction the particles will move. 7.4 – Cellular Transport Passive Transport – Cont’d More Diffusion Pics Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport The solute concentration is ____________ inside Dynamic ____________ & outside the cell Diffusion – Cont’d Molecules continue to ____________, but the overall concentration remains the ____________. Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport - Cont’d Type 2: ____________ ___________ ____________ of materials across the plasma membrane ____________ a ____________ THIS DOES ______ REQUIRE ____________! Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Cont’d Type 3: ____________ Diffusion of ____________ across a selectively permeable membrane. Water will naturally move from where it is ____________ concentrated to where it is ________ concentrated. This does ________ require energy! Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Osmosis Cont’d ____________ affects the movement of water _____tonic Solution – think “____________” _____tonic Solution – ________ solute concentration _____tonic Solution – ________ solute concentration Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Osmosis Cont’d In an ____________ Environment… Water and dissolved substances diffuse into and out of the cell at an ________ rate. Plant Cell Blood Cell 11,397x Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Osmosis Cont’d MEMORIZATION TIP: “________-________” In a ____________ Environment… ____________ concentration is higher ____________ the cell. Water diffuses ________ the cell. Plant Cell Blood Cell 13,000x Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Passive Transport Osmosis Cont’d MEMORIZATION TIP: “________ ________” In a ____________ Environment… Solute concentration is higher ____________ the cell. Water diffuses ________ of the cell. Plant Cell Blood Cell 13,000x Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Active Transport A process that uses ____________ to move molecules across the cell membrane. There are _____ types of active transport: Active Transport using ____________ proteins. ________cytosis ________cytosis Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Active Transport with Carrier Proteins Uses __________ to __________ molecules across the cell membrane from a region of __________ concentration to a region of __________ concentration. This movement goes __________ the natural concentration gradient. Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Active Transport Cont’d The Na+/K+ ATPase Pump Moves three __________ ions ______ of the cell and two __________ ions _______ the cell Use your prior knowledge: What is ATPase?? Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Active Transport Cont’d ____________ Process by which the cell uses __________ to surround __________ particles and bring them __________ the cell Chapter 7 Cellular Structure and Function 7.4 Cellular Transport Active Transport Cont’d ____________ Secretion of a large amount of material ______ of the plasma membrane