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)

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 ____________. 7.4 Cellular Transport Cellular Structure and Function  There are _____ types of movement across the plasma membrane:  ____________ Transport and  ____________ Transport Chapter 7

Passive Transport  Movement of particles across the cell membrane ____________ using ____________ 7.4 Cellular Transport Cellular Structure and Function  There are _____ types of passive transport:  ____________  ____________ Diffusion and  ____________ Chapter 7

Type 1: ____________  Movement of substances across the cell membrane from and area of ________ concentration to an area of ________ concentration. Cellular Structure and Function HIGH LOW 7.4 Cellular Transport Chapter 7 Passive Transport – Cont’d

Diffusion Cont’d  Having different concentrations in different areas creates a ____________ ____________, and molecules will naturally move from high to low. Cellular Structure and Function 7.4 Cellular Transport Chapter 7 Passive Transport Students: Draw arrows on the diagram to show which direction the particles will move.

Passive Transport – Cont’d More Diffusion Pics 7.4 – Cellular Transport

Cellular Structure and Function Dynamic ____________  The solute concentration is ____________ inside & outside the cell  Molecules continue to ____________, but the overall concentration remains the ____________. 7.4 Cellular Transport Chapter 7 Passive Transport Diffusion – Cont’d

Cellular Structure and Function  ____________ of materials across the plasma membrane ____________ a ____________ 7.4 Cellular Transport Chapter 7 Passive Transport - Cont’d Type 2: ____________ ___________  THIS DOES ______ REQUIRE ____________!

Cellular Structure and Function  Diffusion of ____________ across a selectively permeable membrane. 7.4 Cellular Transport Chapter 7 Passive Transport Cont’d Type 3: ____________  Water will naturally move from where it is ____________ concentrated to where it is ________ concentrated.  This does ________ require energy!

Cellular Structure and Function  ____________ affects the movement of water  _____tonic Solution – think “____________”  _____tonic Solution – ________ solute concentration 7.4 Cellular Transport Chapter 7 Passive Transport Osmosis Cont’d

Blood CellPlant Cell In an ____________ Environment… Cellular Structure and Function  Water and dissolved substances diffuse into and out of the cell at an ________ rate. 11,397x 7.4 Cellular Transport Chapter 7 Passive Transport Osmosis Cont’d

Blood Cell In a ____________ Environment… Cellular Structure and Function  ____________ concentration is higher ____________ the cell.  Water diffuses ________ the cell. Plant Cell 13,000x 7.4 Cellular Transport Chapter 7 Passive Transport Osmosis Cont’d MEMORIZATION TIP: “________-________”

Plant Cell In a ____________ Environment… Cellular Structure and Function  Solute concentration is higher ____________ the cell.  Water diffuses ________ of the cell. Blood Cell 13,000x 7.4 Cellular Transport Chapter 7 Passive Transport Osmosis Cont’d MEMORIZATION TIP: “________ ________”

Active Transport Cellular Structure and Function  A process that uses ____________ to move molecules across the cell membrane.  There are _____ types of active transport:  Active Transport using ____________ proteins.  ________cytosis 7.4 Cellular Transport Chapter 7

Active Transport with Carrier Proteins Cellular Structure and Function  Uses __________ to __________ molecules across the cell membrane from a region of __________ concentration to a region of __________ concentration. This movement goes __________ the natural concentration gradient. 7.4 Cellular Transport Chapter 7

Active Transport Cont’d The Na + /K + ATPase Pump Cellular Structure and Function  Moves three __________ ions ______ of the cell and two __________ ions _______ the cell 7.4 Cellular Transport Chapter 7 Use your prior knowledge: What is ATPase??

Cellular Structure and Function Active Transport Cont’d ____________  Process by which the cell uses __________ to surround __________ particles and bring them __________ the cell 7.4 Cellular Transport Chapter 7

Cellular Structure and Function Active Transport Cont’d ____________  Secretion of a large amount of material ______ of the plasma membrane 7.4 Cellular Transport Chapter 7