Chapter 6: A Tour of the Cell. Technology to study cells. light microscopes – pass visible light through specimen and lenses. magnification – ratio of image size to actual size. resolution – clarity of image; minimum distance between two distinguishable points.
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Chapter 6:A Tour of the Cell
microvilli in intestine
increases surface area for absorption
Bacterial conjugation using pili
– modifies carbohydrates
– alters protein structure
Cherry-red spot on retina identifies Tay-Sachs
– membrane: tonoplast
– outer membrane smooth
– inner membrane is stacks of sacs called
fibronectin – another glycoprotein in the ECM that binds integrins on cell membraneintegrins – proteins that span the cell membrane and transmit info on changes outside the cell to the cytoplasm