BIOL130 Lecture Notes - Lecture 4: Atp Synthase, Photophosphorylation, Anabolism

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C6h12o6(s) + o2(g) co2(g) + h2o(g) + energy (atp) Obtained from chemical bond energy stored in food via oxidation to co2(g) + h2o(g) Can use other macromolecules, glucose most vital. Energy stored/transported in high energy bonds of carrier molecules (atp, nadh, fadh2) Atp to adp + pi = huge energy release. Needed for synthesis macromolecules and nucleic acids. Activated carrier molecules: stored energy between reactions, provides energy for biosynthetic reactions. Atp (phosphates), nadh, nadph, fadh2 (electrons and hydrogens), acetyl-coa (acetyl group) Modified nucleotides (coenzymes) that care electrons from one reaction to another. Readily accept a hydride atom (h- = 2 electrons and a proton) or donate (redox) Difference between oxidized and reduced form of electron carriers are a proton & 2. Note: cells can"t burn glucose all at once; intermediate steps necessary or cell may burst. This way, more energy is able to be caught/harvested. Smaller activation energy in smaller parts as well.

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