Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 13.1, Problem 1TQ
Summary Introduction
To analyze:
The catabolism of glucose led to the release of greater amount of energy as heat or by the change of entropy.
Introduction:
The cells present in organisms need energy to build basic macromolecules from simple molecules in the environment. Entropy is the degree of randomness of the system. Energetics of a biochemical reaction can be understood by the following equation: ΔG= ΔH-TΔS, where ΔG is the Gibbs free energy change, ΔH is the change in enthalpy, T is temperature and ΔS is the change in entropy.
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- Consider this chemical equation: Catalase 2H,02 2H,0 + O2 Hydrogen Water Oxygen peroxide What is the enzyme in this reaction? O catalase O2 O 2H2O2 2H20arrow_forwardFor this reaction: 6CO2 + 6H2O → C6H12O6 + 6O2, the products have 2760 kJ/mole more free energy than the reactants. So, which of the following statements best describes the reaction? a The reaction is endergonic because it converts molecules with less free energy to those with more free energy. b The reaction is exergonic because it converts molecules with less free energy to those with more free energy. c The reaction is exergonic because it converts molecules with more free energy to those with less free energy d The reaction is endergonic because it converts molecules with more free energy to those with less free energy.arrow_forwardThe phosphorylation of glucose to glucose 1-phosphate requires 5.0 kcal/mol of energy. This unfavorable reaction can be driven by the hydrolysis of ATP to ADP. (a) Write the equation for the coupled reaction. (b) How much energy is released in the coupled reaction? glucose + HPO4---------->2– glucose 1-phosphate + H2Oarrow_forward
- Convert the following reactions into "Metabolic Engineering" notation: C6H1206 + 2 H20 → 2 C2H60 + 2 HCO3 + 2 H* b. ATP + glucose > glucose-6-phosphate + ADP 3.arrow_forwardConsider the equation light energy + CO2 + h2O → sugars + O2 + heat energy. Would you expect this reaction to occur in a single step? Why must heat be generated in the reaction? explain your answers.arrow_forwardInside a body, this reaction has a value of positive ∆G C6H12O6 + H3PO4 → C6H14O12P2 + H2O ∆G= +13.4 kJ/mol Can you show me how to keep this reaction going in living things? Prove it with calculationsarrow_forward
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