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THE CELL AS A FUNCTIONAL UNIT: ORGANELLES light microscope: bends light with a glass lense to magnify organism. Magnifies objects about 1000 times cell theory: all living things are composed of cells and all cells come from cells magnification: increase in size resolution: measure of the clarity of an image electron microscope: uses a beam of electrons. Magnify objects 100,000 times Animal Cells/Plant Cells o Nucleus-> contains a double membrane o Chromatin-> genetic material (DNA) o Ribosomes are constructed in the nucleus o Plants and animals both have nuclei o Chlorophyl: where light Is absorbed o Chloroplast-> double membrane, place where sugars are made o All eukaryotic cells have mitochondria -> double layer membrane in mitochondria o Three organelles with double membranes: nuclei, chloroplast, mitochondria Protein (ribosomes used to make proteins) o mRNA -> messenger RNA, tells ribosome what amino acid they need o tRNA-> transfer RNA , transfers amino acids to ribosomes
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This note was uploaded on 12/21/2011 for the course BUS 100 taught by Professor Intro during the Fall '11 term at UCSB.

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