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Chemistry of Life and Cells
Ch. 2 and 7
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Macromolecules Lipids Carbohydrates
Function: store energy, part of biological membranes and waterproof coverings Structure: Glycerol—Fatty acid Carbohydrates Function: energy and structural proposes Structure: monosaccharides—polysaccahrides
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Nucleic Acids Function: store and transmit hereditary information Protein Function: control rate of reactions and regulate cell processes, impt. In cell structure, fight disease, transportation Structure: amino acid---protein
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Enzymes http://www.youtube.com/watch?v=XTUm-75-PL4
Lower activation energy Effected by pH and temperature
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Water’s Special Properties
Cohesion vs. adhesion Moderate temperature Expansion upon freezing Universal solvent
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Cell Theory http://www.youtube.com/watch?v=dgHN145_dj0
Robert Hooke: looked at cork under a microscope, saw chambers, called them “cells” Anton van Leeuwenhoek: looked at pond water under a single-lens microscope
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Matthias Schleiden: all plants are made of cells
Theodor Schwann: all animal are made of cells Rudolf Virchow: cells come from pre-existing cells
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Cell theory: All living things are made of cells
Cells are the basic unit of structure and function in living things New cells are produced from existing cells
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Parts of the Cell http://www.youtube.com/watch?v=jqUhWDp73bM
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Cell Membrane Transport
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Plant Vs. Animal Cells
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Eukaryotic vs Prokaryotic Cells
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Types of Microscopes
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