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A Tour of the Cell

Subject: 
Biology [1]
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Biology [2]
organelles [3]
Endomembrane system [4]
cell [5]
Vesicle [6]
Endoplasmic reticulum [7]
mitochondrion [8]
Cytoplasm [9]
Eukaryote [10]
Lysosome [11]
Golgi apparatus [12]
Ribosome [13]
health [14]
behavior [15]
Human development [16]
Interpersonal relationships [17]
Love [18]
Psychoanalysis [19]
Computing [20]
Computer file formats [21]
Human behavior [22]
Attachment theory [23]
Portable Document Format [24]
Technology [25]

Ch. 7 Tour of the Cell 2007-2008 Light Microscope - LM ? Uses visible light ? inexpensive ? live or dead objects ? Resolution: ? As magnification ?, resolution ?. ? ~1000X. ? Limitations: ? many cell structures too small Just magnified 64X Magnification & Resolution Light Microscope Variations ? Unstained ? Stained: ?Methylene blue ? iodine Light Microscope Variations ? Fluorescence: uses dyes to make parts of cells ?glow?. ? Phase-contrast: enhances contrasts in density. ? Confocal: uses lasers and special optics to focus only narrow slides of cells. Electron Microscopes ? Use beams of e- ? Invented in 1939 ? Advantages: ?Much higher mag. ? 50,000X ? Disadvantages: ? Vacuum.
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