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Unformatted text preview: Pr imar y amino acid sequence, det er mined by genes Quat er nar y two or more polypeptides for m a functional prot ein Ter tiar y 3D Secondar y fold int o spiral or pleats Cyt oplasm metabolism sit e Glycocalyx traps wat er, protection, gelatinous cover Ribosomes protein synthesis, polypeptides Flagella - locomation Pili - attachment Cell wall suppor t and protection Nucleiod genetic mater ial Plasma membrane - bar r ier Mit ochondr ion ATP synthesis semiautonomous Plasma membrane bar r ier, select ive per meable, cell signaling with recept ros, cell adhesion Per ioxisome H2O2 & har mful molecules decomp (catalase) degrade macromolecules acid hydrolases break down prot eins, carbs, lipids, nucleic acids aut ophagy (recycle through endocyt osis) Golgi apparat us processing, sor ting, secretion of prot eins Smooth ER det ox, carb met abolism, Ca2+ regulation, synthesis/mod of lipids Nucleolus r ibosome assembly Nuclear envelope double membrane skelet on prot ein filaments (microtubules, int er mediate, actin mot or prot eins in actin/microtubules f lagella or cilia Cyt osol coordinat es metabolic process (catabolism vs anabolism) Chromatin DNA and protein Rough ER prot ein sor t ing, secretion Centrosome microtubules, centr ioles Chloroplasts - semiaut onomous Central vacuole storage, space filling (turgor pressure expansion and growth) SRP released, translation resumes polypep is threaded into a channel Polypeptide synthesized & released ER signal cleaved by signal peptidase SRP binds to recept or SRP binds to ER signal sequence, pauses translation Phosphat e removed by phosphatase Act ivated bonds t o glycerol phosphat e and inser ted into leaf let by acyl transferase Fatty acids activat ed by CoA att achment Cleavage Phase Energy investment phase Energy Liberation Phase ow of H+ down electrochemical gradient int o mat r ix through ATP synthase causes synthesis of ATP Cyt ochrome c to cyt ochome oxidase electrons transfer red t o oxygen, wat er produced cytrochrome b-c1 cytrochrome c (some electrons used to pump H+ int o int er membrane space) DH2 oxidized t o get high energy electrons go to succint e reductase then ubiquinone gy electrons some energy har nessed to pump H+ int o int ermembrane space rest are transfer red to ubiquinone Mesophyll where phot osynthesis occurs - leaves Stroma f luid regions filling btw membrane calvin cycle takes place Granum stack of thylakoids Thylakoid contains pigment molecules light reactions take place Noncyclic f low linear produces equal amounts of ATP and NADPH olecules of PSI I . Electrons move down ETC to more electroneg at oms producing a H+ electrochemical gradient e d t o pigment P680 o make NADPH ping H+ across thylakoid membrane, synthesis of NADPH used for ATP sythase Qb cyt ochrome complex Pc PS1. Produces a H+ electrochemical gradient to make ATP via ATP synthase Qb cyt ochrome complex Pc PS1....
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This note was uploaded on 12/16/2010 for the course BIO 122 taught by Professor Anandan during the Spring '08 term at Drexel.
- Spring '08