(a)
Interpretation:
The effect of increase in the concentration of
Concept Introduction:
Enzyme catalyzes
(b)
Interpretation:
The effect of increase in the concentration of ATP on the TCA cycle needs to be explained.
Concept Introduction:
Enzyme catalyzes chemical reaction in cells is called Tricarboxylic acid cycle (TCA). It is also known as Krebs cycle and citric acid cycle. The
(c)
Interpretation:
The effect of increase in the concentration of isocitrate on the TCA cycle needs to be explained.
Concept Introduction:
Enzyme catalyzes chemical reaction in cells is called Tricarboxylic acid cycle (TCA). It is also known as Krebs cycle and citric acid cycle. The
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Chapter 19 Solutions
Biochemistry
- Understanding the Oxidation of Glucose and Its Products in the TCA Cycle Glycolysis, the pyruvate dehydrogenase reaction, and the TCA cycle result in complete oxidation of a molecule of glucose to CO2. Review the calculation of oxidation numbers for individual atoms in any molecule, and then calculate the oxidation numbers of the carbons of glucose, pyruvate, the acetyl carbons of acetyl-CoA. and the metabolites of the TCA cycle to convince yourself that complete oxidation of glucose involves removal of 24 electrons and that each acetyl-CoA through the TCA cycle gives up 8 electrons.arrow_forwardComplexes I and II of the electron transport system transferelectrons from NADH and succinate from _______________,respectively, to UQ.arrow_forwardAll steps in the calculations must be reported, incomplete reporting of these leads directly to return. Make a theoretical calculation of how many ATP molecules can be formed from the degradation of an acetyl-CoA molecule to carbon dioxide and water if the entire proton gradient across the mitochondria's inner membrane can be used for ATP production and when the ATP synthase has 15 c-subunits.arrow_forward
- Calculate the biochemical standard cell potential for the oxidation of NADH by molecular oxygen O2 + 2NADH + 2 H+ → 2H2O + 2NAD+arrow_forwardUnderstanding Enzyme Mechanisms Related to Pyruvate Carboxylase Based on the mechanism for pyruvate carboxylase (Figure 22.3), write reasonable mechanisms for the reactions that follow:arrow_forward
BiochemistryBiochemistryISBN:9781305577206Author:Reginald H. Garrett, Charles M. GrishamPublisher:Cengage Learning