IM_chapter4 - 4 _ HOW CELLS ARE PUT TOGETHER Chapter...

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4                                                                                                                                                                ______________________________________________________________________________ HOW CELLS ARE PUT  TOGETHER Chapter Outline IMPACTS, ISSUES: WHERE DID CELLS  COME FROM? SO WHAT IS “A CELL?” Components of All Cells Why Aren’t Cells Bigger? HOW DO WE “SEE” CELLS? The Cell Theory Some Modern Microscopes ALL LIVING CELLS HAVE MEMBRANES INTRODUCING PROKARYOTIC CELLS INTRODUCING EUKARYOTIC CELLS THE NUCLEUS THE ENDOMEMBRANE SYSTEM Endoplasmic Reticulum Golgi Bodies Membranous Sacs with Diverse  Functions MITOCHONDRIA AND  CHLOROPLASTS Mitochondria Chloroplasts VISUAL SUMMARY OF EUKARYOTIC CELL  COMPONENTS THE CYTOSKELETON Moving Along with Motor Proteins Cilia, Flagella, and False Feet CELL SURFACE SPECIALIZATIONS Eukaryotic Cell Walls Matrixes Between Animal Cells Cell Junctions  SUMMARY SELF-QUIZ CRITICAL THINKING Objectives 1. Understand  the basic tenets of the cell theory. 2. Understand  the essential structure  and  function of the cell membrane.  3. Contrast the general features of prokaryotic and  eukaryotic cells.  4. Describe the nucleus of eukaryotes with respect to structure  and  function.  24 Chapter  Four
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5. Describe   the   organelles   associated   with   the   endomembrane   system,   and   tell   the   general  function of each.  6. Contrast the structure  and  function of mitochondria  and  chloroplasts.  7. Describe the cytoskeleton of eukaryotes and  distinguish  it from the endomembrane  system.  8. List several surface structures of cells and  tell how  they help cells survive. 25 Chapter  Four
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Key Terms cell plasma  membrane nucleus nucleoid cytoplasm ribosomes prokaryotic cells eukaryotic cells surface-to-volume  ratio cell theory wavelength compound  light  microscope transmission  electron  microscope scanning  electron  microscope phospholipid cell membrane lipid bilayer fluid mosaic model  prokaryotes eubacteria archeae bacterial flagella pili organelles secretory pathway endocytic pathway enzymes nucleus chromosomes chromatin nuclear envelope nucleoplasm nucleolus endomembrane  system endoplasmic reticulum rough  ER ribosomes smooth  ER Golgi bodies vesicles lysosome peroxisomes central vacuole ATP mitochondria chloroplasts stroma thylakoids cytoskeleton microtubules microfilaments cell cortex motor proteins intermediate  filaments lamins actin myosin kinesins dyneins flagellum, flagella cilium, cilia centriole basal body pseudopods cell wall cellulose primary  wall secondary  wall lignin cell junctions
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This note was uploaded on 06/29/2008 for the course BIOL 1408 taught by Professor Mason during the Spring '08 term at Dallas Colleges.

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IM_chapter4 - 4 _ HOW CELLS ARE PUT TOGETHER Chapter...

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