'Passive transport diffusion' presentation slideshows

Structure and Function of Cells

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??? ???? ?????? ??????. ?? ?? ?????? ?? ????? ??? ??????. ??? ???? ?????? ??????? ??? 58. BIOPHYSICS. By Dr. Abdel Aziz M. Hussein Lecturer of Medical Physiology Member of American Society of Physiology. Test Yourself.

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Chapter 7 notes

Chapter 7 notes. Membrane Structure and Function. Concept 7.1. Most abundant lipids in membranes are phospholipids . - phospholipids are amphipathic (head is hydrophilic, tail is hydrophobic )

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Chapter 4, part B

Chapter 4, part B. Functional Anatomy of Prokaryotic and Eukaryotic Cells. Plasma Membrane. Functions for membranes Selective permeability allows passage of some molecules Movement through the membrane Active - requires energy Passive - no energy involved Enzymes for ATP production

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Cells

Cells. Wassily Kandinsky (1866-1944). Cell Theory: - all organisms are composed of cells - all cells come from other cells. Figure 4.1x. Scanning electron microscope (SEM). TEM. Figure 4.1B. Cell size and shape relate to function Minimum Maximum. Figure 4.2.

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Cells

Cells. Wassily Kandinsky (1866-1944). Cell Theory: - all organisms are composed of cells - all cells come from other cells. Figure 4.1x. Scanning electron microscope (SEM). TEM. Figure 4.1B. Cell size and shape relate to function Minimum Maximum. Figure 4.2.

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Cell Membrane and Transport

Cell Membrane and Transport. Cell Membrane. AKA plasma membrane **All cells have a cell membrane Made up of a lipid bilayer (phospholipids) Controls what enters and leaves the cell to maintain internal balance called homeostasis. Cell Membrane.

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Passive Transport What can move into and out of cells?

Cell Membrane and Membrane Transport. Passive Transport What can move into and out of cells? Active Transport How do cells maintain homeostasis? http://www.northland.cc.mn.us/biology/Biology1111/animations/transport1.html. Warm-up: Write answers in spaces.

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Cell Transport Mechanisms

Cell Transport Mechanisms. Moving molecules across the Cell Membrane. Two methods: Passive Transport Active Transport. Passive Transport. Allows molecules to ____________ according to natural laws of physics. Everything tends towards___________.

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P??akahi 09/09/12

P??akahi 09/09/12. Review Quest Cell Membrane (chapter 5). N??ana. What kind of lipid makes a cell membrane? Draw a cross section of what you think the cell membrane looks like. The Working cell . 5.1-5.5. Membrane structure. Membrane called fluid (like oil) mosaic (proteins).

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Cell Transport

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Cell Transport

239 views • 14 slides