Chapter7 - Chapter 7 The Cell I A Panoramic View a Prokaryote vs Eukaryote(differences i Size ii Complexity iii Location of genetic material 1

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Chapter 7 The Cell I. A Panoramic View a. Prokaryote vs. Eukaryote (differences) i. Size ii. Complexity iii. Location of genetic material 1. prokaryotes have chromosome concentrated in NUCLEOID region of the cell 2. eukaryotes have MEMBRANE-BOUND NUCLEUS b. ALL CELLS have i. Cytosol (fluid where organelles are found) 1. Cytoplasm = cytosol PLUS organelles ii. Chromosomes iii. Ribosomes iv. Plasma membrane II. Eukaryotic Cells a. Animal Cell i. Plasma membrane ii. microvilli 1. projections of the membrane a. function to increase surface area iii. Nucleus (stores genetic information) 1. nuclear envelope 2. nucleolus 3. chromatin (chromosomes + protein) iv. Centrosome 1. pair of centrioles found next to the nucleus 2. site of microtubule initiation v. Endoplasmic Reticulum (functions in membrane synthesis, “proteins-for-export” synthesis, detoxification) 1. smooth 2. rough vi. Golgi 1. site of synthesis, sorting and secretion vii. Flagellum (locomotion) 1. composed of microtubules viii. Lysosome 1. “waste dump” ix. Peroxisome 1. specialized lysosome: produces hydrogen peroxide as it degrades waste x. Mitochondrion 1. site of cellular respiration
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III. Plant Cells a. Analogous to animal cells EXCEPT they do not have i. Lysosomes ii. Centrioles iii. Flagella (generally) b. UNLIKE Animal cells, plant cells have: i. Chloroplasts ii. Central vacuole iii. Cell wall
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This note was uploaded on 07/08/2011 for the course BIOL 101 taught by Professor Smith during the Spring '11 term at Aachen University of Applied Sciences.

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Chapter7 - Chapter 7 The Cell I A Panoramic View a Prokaryote vs Eukaryote(differences i Size ii Complexity iii Location of genetic material 1

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