Lecture 02; Cell Biology

Lecture 02; Cell Biology - Lecture 2: Biomolecule...

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Lecture 2: Biomolecule Organization in Cells Wednesay, August 26th Reading assignment: Chapter 2 Overview - Aqueous and non-aqueous compartments - Spatial distribution of biomolecule types - Prokaryote cell organization - Eukaryote cell organization organelles
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Prokaryotic Cell Structure Archea and Bacteria are both prokaryotic Bounded by cell wall and plasma membrane Typical size: 1 - 2 μm (1 μm = 1 x 10 -6 m)
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Prokaryotic Cell Structure Cell wall - petptidoglycan linked carbohydrate and polypeptide polymers - confers rigid, speci±c shape - location periplasmic space - “Gram-negative” type exterior - “Gram-positive” type Gram-negative species
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Plasma membrane - non-aqueous interior alkane, alkene - water-soluble exterior charged functional groups - semi-permeable barrier - embedded proteins transport functions signaling functions - carbohydrates extend from proteins from glycolipids - Gram-negative species
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Lecture 02; Cell Biology - Lecture 2: Biomolecule...

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