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W1OutlineLec1 - macromolecules organelles(ribosomes...

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Luis David Gomez 59866865 Bio 192 D103 Cell Biology Week 1 Lecture 1 Outline 1/ 7/08 Introduction 3 Main Questions 1) Why study Cell Biology? a. Single Cell- smallest subunit of EVERY organism (1µm to ~200µm) 1. By understanding the details of a single cell we can understand multi- cellular organisms 2. Understand/Treat diseases b. Cell biology reveals: Size, shape, location of cell components and mechanism 2) What can be seen by microscopy? Rule : ½ the wavelength=resolving power Properties Electron Microscope Light Microscope Visible Wavelengths 1nm-1µm (10^-9 to 10^-7 m) 1µm-100µm (10^-6 to 10^-4 m) Size of Biological Objects Small molecules,
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Unformatted text preview: macromolecules, organelles (ribosomes, mitochondrion) CELLS a. Information not provided: Function, concentration, mechanism of process 3) What composes a model organism? Three Points a. Simple system—to answer biological question b. Applicable to higher organism (ie. humans) c. Genetic Manipulation (Haploid/Diploid) 1. Important Example: Yeast a. Haploid b. easily make deletions, mutations in genes Concepts 4) What are the vital components of a cell? • Organelles • Cell memberane 1. What is a cell membrane made of? (lipids—many kinds) 2. What does it provide for a cell? (compartmentalization?)...
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