Biochemistry, 4th Edition P71 pot
Biochemistry, 4th Edition P71 pot
... 22.2 How Is Gluconeogenesis Regulated? 671 bisphosphate is a potent stimulator of phosphofructokinase (see Chapter 18). Cog- nizant of the reciprocal nature ... regulated enzyme. Citrate stimu- lates bisphosphatase activity, but fructose-2,6-bisphosphate is a potent allosteric in- hibitor. AMP also inhibits the bisphosphatase; the inhibition by AMP is enhanced by ... concentrations and is thu...
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Biochemistry, 4th Edition P6 potx
... the intermediates in metabolism. Mechanical support, shape, and protection against swelling in hypotonic media. The cell wall is a porous nonselective barrier that allows most small molecules to
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Biochemistry, 4th Edition P7 pot
... H-bond formation. Water can serve as both an H donor and an H acceptor in H-bond formation. The potential to form four H bonds per water molecule is the source of the strong intermolecular at- tractions ... such structures are the processes of life. Properties of biomolecules that endow them with the potential for creating the living state include the following: Biological macromolecules and...
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Biochemistry, 4th Edition P10 potx
... ionization. [ADP][P i ] ᎏᎏ [ATP][H 2 O] Ϫ⌬G° ᎏ nᏲ Proton Transfer Potential Standard Reduction Potential Group Transfer Potential (Acidity) (Electron Transfer Potential) (High-Energy Bond) Simple equation AH 34 A Ϫ ϩ ... (pK a and reduction poten- tial, Ᏹ o , respectively). As shown in Table 3.4, the notion of group transfer is fully analogous to those of ionization potential and reduction po...
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Biochemistry, 4th Edition P11 potx
... the reactions necessary to keep cells and organisms alive must run against their thermodynamic potential, that is, in the direction of positive ⌬G. Among these are the synthesis of adenosine ... All naturally occurring processes proceed toward equilib- rium, that is, to a state of minimum potential energy. The third law of thermodynamics states that the entropy of any crystalline, perfectly o...
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Biochemistry, 4th Edition P19 potx
... together. This hydrophobic effect in- duces formation of a compact structure—the folded protein. A potential problem with this rather simple folding model is that polar backbone NOH and CP O groups
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Biochemistry, 4th Edition P25 pot
... N-linked oligosaccharides to direct selected proteins to A DEEPER LOOK Drug Research Finds a Sweet Spot A variety of diseases are being successfully treated with sugar-based therapies. As this table ... medicines.Scientific American 287:40–47. Additional References: Alper, J.,2001. Searching for medicine’s sweet spot. Science 291:2338–2343. Borman,S., 2007. Sugar medicine. Chemical & Engi...
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