) In terms of the number of substrates and products, how is .... reaction classified?
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- A substrate is a molecule upon which an enzyme acts. The reaction can have one substrate (unimolecular) or more than one substrate (bimolecular or multimolecular). Show more…
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A simplified enzymatic reaction is shown below: S ⇌ P In this reaction, a substrate (S) is converted to a product (P). This reaction has a ΔG°' of 17.11 kJ mol⁻¹. Answer the following questions about the thermodynamics of this reaction. Which reaction would occur spontaneously under standard biochemical conditions before reaching equilibrium? Conversion of substrate to product Conversion of product to substrate This reaction cannot proceed spontaneously in either direction When the reaction was carried out under standard biochemical conditions, what was the relative amount of substrate and product once the reaction reached equilibrium (you may want to consult table 8.3 in the slides)? For which of the following conditions would the substrate be spontaneously converted to the product at 298 K (for this temperature RT = 2.5 kJ mol⁻¹)?
Adi S.
2 A ↔ B + 2 C A + 2 D → E + 3 F rxn 1, reversible rxn 2, irreversible 1.1 Are these series, parallel or complex reactions? 1.2 If the rate laws follow elementary kinetics, write the rate equations for reactions 1 and 2 in terms of A, i.e. r1A and r2A. 1.3 What is the net rate of reaction for A? 1.4 What is the rate of reaction, r1A in terms of r1C? 1.5 What is the rate of reaction, r2A in terms of r2F? 1.6 If the desired product is B and the undesired product is E, what is the rate selectivity parameter, S_B/E? 1.7 What kind of reactor would you use to maximize the amount of B produced relative to the amount of E? (Hint: assume that CA << CD, use equations to justify your reasoning) 1.8 Write an equation for the overall selectivity, if the desired product is B and the undesired product is E.
In the following reaction, which is/are substrate(s), enzyme, products, allosteric inhibitor(s), negative regulator(s), and reactant(s)? Z A + B → C +D
Sri K.
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