Lecture04a_bio201_f07[1]

Lecture04a_bio201_f07[1] - ARIZONA STATE UNIVERSITY Lecture...

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Human Human Anatomy Anatomy SEVENTH EDITION SEVENTH EDITION Elaine N. Marieb Elaine N. Marieb Katja Hoehn Katja Hoehn ARIZONA STATE UNIVERSITY Lecture Series 3 Lecture Series 3
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Bio 201 ASU DPC J. Cell Theory The cell is the basic structural and functional unit of life Organismal activity depends on individual and collective activity of cells Biochemical activities of cells are dictated by subcellular structure Continuity of life has a cellular basis
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Bio 201 ASU DPC J. Robert Hooke 1637-1703
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Bio 201 ASU DPC J. Secretion being released from cell by exocytosis Peroxisome Ribosomes Rough endoplasmic reticulum Nucleus Nuclear envelope Chromatin Golgi apparatus Nucleolus Smooth endoplasmic reticulum Cytosol Lysosome Mitochondrion Centrioles Centrosome matrix Microtubule Microvilli Microfilament Intermediate filaments Plasma membrane
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Bio 201 ASU DPC J. Plasma Membrane Separates intracellular fluids from extracellular fluids Plays a dynamic role in cellular activity Glycocalyx is a glycoprotein area abutting the cell that provides highly specific biological markers by which cells recognize one another
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Bio 201 ASU DPC J. Fluid Mosaic Model Double bilayer of lipids with imbedded, dispersed proteins Bilayer consists of phospholipids, cholesterol, and glycolipids Glycolipids are lipids with bound carbohydrate Phospholipids have hydrophobic and hydrophilic bipoles
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Bio 201 ASU DPC J. Fluid Mosaic Model
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Bio 201 ASU DPC J. Functions of Membrane Proteins Transport Enzymatic activity Receptors for signal transduction
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Bio 201 ASU DPC J. Functions of Membrane Proteins Intercellular adhesion Cell-cell recognition Attachment to cytoskeleton and extracellular matrix Figure 3.4.2
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Bio 201 ASU DPC J. Plasma Membrane Surfaces Differ in the kind and amount of lipids they contain Glycolipids are found only in the outer membrane surface 20% of all membrane lipid is cholesterol
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Bio 201 ASU DPC J. Membrane Junctions
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This note was uploaded on 04/29/2008 for the course BIO 201 taught by Professor Oberstein during the Fall '08 term at ASU.

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Lecture04a_bio201_f07[1] - ARIZONA STATE UNIVERSITY Lecture...

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