'Permeable membrane' presentation slideshows

Chapter 13 Diffusion and Osmosis

Chapter 13 Diffusion and Osmosis. Diffusion & Osmosis. Draw a spider diagram about what you know about movement of substances in & out of the cell. Syllabus -- Objectives. Define the term: Selectively permeable Explain the role of selectively permeable membranes.

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The Cell Membrane

The Cell Membrane . Overview. Cell membrane separates living cell from nonliving surroundings thin barrier = 8nm thick Controls traffic in & out of the cell selectively permeable allows some substances to cross more easily than others hydrophobic vs hydrophilic

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Cell Boundaries

Cell Boundaries. Unit 2-Part 2. Cell Membrane. Cell Membrane. All cells are surrounded by a thin, flexible barrier known as the cell membrane (or plasma membrane). Regulates what enters and leaves the cell and also provides protection and support. Cell Membrane.

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Chapter 7 Cell Structure & Function

Chapter 7 Cell Structure & Function. Section 7-3 Movement Through The Membranes. Objectives. What are the main functions of the cell membrane and the cell wall? What happens during diffusion? What is osmosis?. The Cell Membrane. Key Concept:

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Standard 2

Standard 2. Addison & Claire. Homeostasis. Homeostasis- The ability of an organism or cell to maintain a constant internal environment Homeo= equal or same Plant and animals both use this process.

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Movement of Substances

Movement of Substances. Movement. Substances move in and out of cells in 2 ways Diffusion movement of molecules from a region of higher concentration to a region of lower concentration. Active Transport

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Colligative Properties

Colligative Properties. Vapor Pressure Freezing and Boiling Points Osmotic Pressure. Objectives. SWBAT Explain why boiling point can be elevated or freezing point can be depressed. Use ? T b = i K b m to solve boiling point or freezing point problems. Drill.

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CARTS 2013 Novel Ceramic and Metal Materials for Energy Storage and Clean Tech

CARTS 2013 Novel Ceramic and Metal Materials for Energy Storage and Clean Tech. Brian Foster & Dr. Gordon Dayton. Foster Rush Electronics, Nano Technology and Clean Tech. Outline. Introduction Fuel Cell Materials Lithium Ion Battery Materials Solar Cells Conclusions. Introduction.

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Lithum Additives: The Cure of Alkali-Silica Reaction?

Lithum Additives: The Cure of Alkali-Silica Reaction?. Courtney Collins . Jason Ideker . Gayle Willis . Jessica Hurst. Outline. What is ASR? How does ASR gel expand? How could lithium prevent ASR gel expansion?. What is ASR?. Alkali Silica Reaction (ASR). Alkalis + Reactive Silica

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Properties of Solutions Solution: Homogenous mixture of 2 or more substances

Properties of Solutions Solution: Homogenous mixture of 2 or more substances Solutions can be liquid, solid or gaseous Examples: Ocean, sugar water Gold alloy Air, humid oxygen. Solvent: Substance present in a solution in the greatest amount

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SURROUNDING

MASS BALANCE: WHY MASS FLOWS?. SURROUNDING. Phase a T a , P a , m i a. Phase b T b , P b , m i b. NO. NO. ISOLATED. SYSTEM. WORK. HEAT. Ideal fixed permeable membrane. a i = i th species activity. T a = T b P a = P b m i a = m i a. EQUILIBRIUM CONDITIONS

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Traffic across Membranes

Traffic across Membranes. BY: Sarah Walsh & Ariana Dubov. Solute Transport. Passive Transport (requires no energy) Simple Diffusion ~ goes along gradient

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Cladding Details

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SURROUNDING

MASS BALANCE: WHY MASS FLOWS?. SURROUNDING. Phase a T a , P a , m i a. Phase b T b , P b , m i b. NO. NO. ISOLATED. SYSTEM. WORK. HEAT. Ideal fixed permeable membrane. a i = i th species activity. T a = T b P a = P b m i a = m i a. EQUILIBRIUM CONDITIONS

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Water: What are some ways to obtain safe drinking water?

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Colligative Properties

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PREDICT

PREDICT. You are at the beach and you just get out of the water. The sand starts to cover your feet. What does this sand feel like? What does hydro mean? What does phobic mean? In cooking, where might a hydrophobic surface be used?

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Freezing point depression

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Movement of Fluids in Cells

Movement of Fluids in Cells. The Cell Membrane. By the late 18 th century, microscopes had shown that all cells have one structure in common. This was the cell membrane , which holds the cell together. It allows some substances to pass into

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modelkey

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