100+ Drives diffusion PowerPoint (PPT) Presentations, Drives diffusion PPTs

Drives diffusion - PowerPoint PPT Presentation

Cell Membranes Osmosis and Diffusion

Cell Membranes Osmosis and Diffusion. Functions of Membranes. 1. Protect cell 2. Control incoming and outgoing substances 3. Maintain ion concentrations of various substances 4. Selectively permeable - allows some molecules in, others are kept out. Phospholipid Bilayer.

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452 views • 28 slides

CHAPTER 5 THE STRUCTURE AND FUNCTION OF MACROMOLECULES

CHAPTER 5 THE STRUCTURE AND FUNCTION OF MACROMOLECULES. MEMBRANE STUCTURE AND FUNCTION. How things get into and out of the cell. Explain how an equilibrium is established as a result of diffusion. Distinguish between diffusion and osmosis.

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359 views • 17 slides

Diffusion and Osmosis

Diffusion and Osmosis. 1. 4. 2. 3. Diffusion. Solute molecules moving from an area of high concentration to an area of low concentration Random motion drives diffusion Movement is based on kinetic energy (speed), charge, and mass of molecules

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291 views • 14 slides

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Drives diffusion - PowerPoint PPT Presentation

Cell Membranes Osmosis and Diffusion

CHAPTER 5 THE STRUCTURE AND FUNCTION OF MACROMOLECULES

Diffusion and Osmosis