2_8_07 - 8-Feb-07BiologyCell StructureBe able to draw and...

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Unformatted text preview: 8-Feb-07BiologyCell StructureBe able to draw and describe structures. Ribosome-•Subunits assembled in the nucleolus – 40s and 60s•Mae of two subunits. •Ribosomal RNA – proteins that make it up travel into the nucleolus. Go into the cytoplasm. •Function – protein synthesis•Free ribosomes make proteins for inside cytoplasm•Attached ribosomes make proteins for transport outside of cell•Usually free but when messenger says protein is being shipped out, ribsome attaches to the ER and then when done, breaks free againEndoplasmic Reticulum•Rough and smooth ER•System of membrane enclosed pipes•Transportation system. Equivalent of bloodstream inside cell•Inside the plasma. •Intracellular transportation, chemical synthesis and modification•Rough ER – has ribosomes on it. Transports and modifies proteins from ribosomes.•Smooth ER –oSynthesizes lipids. oAdipose tissue has a lot of smooth ER....
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This note was uploaded on 09/29/2009 for the course NPB NPB 101 taught by Professor Weidner/wingfield during the Spring '08 term at UC Davis.

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2_8_07 - 8-Feb-07BiologyCell StructureBe able to draw and...

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