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Essentials of Anatomy & Physiology, 4th Edition Martini / Bartholomew 3 Cell Structure and Function PowerPoint® Lecture Outlines prepared by Alan Magid, Duke University Slides 1 to 102 Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Studying Cells Cell Theory: Four Basic Concepts • • • • Basic building blocks of life Smallest functional units of life Products of cell division Homeostatic Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Studying Cells The Diversity of Cells in the Human Body Figure 3-1 Studying Cells Cytology Study of structure and function of cells Cytology depends on seeing cells • Light microscopy (LM) – 1000x magnification • Electron Microscopy (EM) • Scanning EM (SEM) – 3D • Transmission EM (TEM) – high magnification Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings The Cytoplasm Cytoplasm • Cytosol – intracellular fluid • Organelles – internal structures that perform specific functions Extracellular Fluid – fluid outside of cell Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings The Cytoplasm Intracellular-Extracellular Differences Substance Intracellular [C] Extracellular [C] K+ High Low Na+ Low High Enzymes High Low Carbs Low High Amino Acids High Low Lipids High Low Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Studying Cells Anatomy of a Representative Cell Figure 3-2 The Cytoplasm Organelles • Membranous organelles • Isolated compartments • Nucleus • Mitochondria • Endoplasmic reticulum • Golgi apparatus • Lysosomes • Peroxisomes Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings The Cytoplasm Organelles • Nonmembranous organelles • Cytoskeleton • Microvilli • Centrioles • Cilia • Flagella • Ribosomes • Proteasomes Copyright © 2007 Pearson Education, Inc., publishing as Benjamin Cummings Components of Cell Note Cards Make note cards using Table 3-1 on page 60 of your text. Write the structures name and draw a simple sketch on one side of your note card. On the reverse side, write the composition and function. Coloring Workbook The packet will be due the day before the test. You can now complete numbers 2, 5, 6 and 7.
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