Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
9th Edition
ISBN: 9781305968707
Author: Spencer L. Seager
Publisher: Brooks Cole
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Question
Chapter 22, Problem 22.36E
Interpretation Introduction
Interpretation:
The molecules denoted by symbols
Concept introduction:
The molecule which helps in the migration of energy produced during the breakdown of food to the other cells is known as adenosine triphosphate or ATP molecule. ATP contains adenine as nitrogenous base, a ribose sugar and three phosphate groups.
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The AG" of the dephosphorylation of phosphocreatine is -43.0 kJ/mol.
Phosphocreatine → creatine +Pi; -43.0kJ/mol
When coupled to the phosphorylation of ADP to ATP (+30.5kJ/mol)
ADP +Pi → ATP; +30.5 kJ/mol
calculate the actual, physiological AG for the following reaction in kJ/mol:
Phosphocreatine + ADP creatine + ATP
at 37°C, with concentrations as follows:
Phosphocreatine = 0.715 mM
creatine = 0.566 mM
ADP = 0.431 mM
ATP = 2.382 mM
The reaction for “activation” of a fatty acid (RCOO−), ATP + CoA + RCOO−⇌ RCOOCoA + AMP + PPi has ΔG°′ = +4.6 kJ · mol−1. What is the thermo dynamic driving force for this reaction?
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LDA
H₂O
Chapter 22 Solutions
Chemistry For Today: General, Organic, And Biochemistry, Loose-leaf Version
Ch. 22 - Prob. 22.1ECh. 22 - Prob. 22.2ECh. 22 - Prob. 22.3ECh. 22 - List two general functions in the body for each of...Ch. 22 - Prob. 22.5ECh. 22 - Prob. 22.6ECh. 22 - Prob. 22.7ECh. 22 - Prob. 22.8ECh. 22 - Prob. 22.9ECh. 22 - Identify each of the following vitamins as...
Ch. 22 - Prob. 22.11ECh. 22 - Prob. 22.12ECh. 22 - Prob. 22.13ECh. 22 - Prob. 22.14ECh. 22 - Prob. 22.15ECh. 22 - Prob. 22.16ECh. 22 - Prob. 22.17ECh. 22 - What are the general functions of trace minerals...Ch. 22 - Prob. 22.19ECh. 22 - Prob. 22.20ECh. 22 - Prob. 22.21ECh. 22 - Prob. 22.22ECh. 22 - Prob. 22.23ECh. 22 - Prob. 22.24ECh. 22 - What is a metabolic pathway?Ch. 22 - Prob. 22.26ECh. 22 - Prob. 22.27ECh. 22 - Prob. 22.28ECh. 22 - Prob. 22.29ECh. 22 - Prob. 22.30ECh. 22 - Prob. 22.31ECh. 22 - Prob. 22.32ECh. 22 - Prob. 22.33ECh. 22 - Prob. 22.34ECh. 22 - Prob. 22.35ECh. 22 - Prob. 22.36ECh. 22 - Using symbolic formulas such as ADP and PPi, write...Ch. 22 - Prob. 22.38ECh. 22 - Prob. 22.39ECh. 22 - Prob. 22.40ECh. 22 - Prob. 22.41ECh. 22 - Prob. 22.42ECh. 22 - Prob. 22.43ECh. 22 - Prob. 22.44ECh. 22 - Prob. 22.45ECh. 22 - Prob. 22.46ECh. 22 - Prob. 22.47ECh. 22 - Prob. 22.48ECh. 22 - Prob. 22.49ECh. 22 - Prob. 22.50ECh. 22 - Prob. 22.51ECh. 22 - Prob. 22.52ECh. 22 - Prob. 22.53ECh. 22 - Prob. 22.54ECh. 22 - Prob. 22.55ECh. 22 - Prob. 22.56ECh. 22 - Prob. 22.57ECh. 22 - Prob. 22.58ECh. 22 - Prob. 22.59ECh. 22 - Prob. 22.60ECh. 22 - Prob. 22.61ECh. 22 - Prob. 22.62ECh. 22 - Prob. 22.63ECh. 22 - Prob. 22.64ECh. 22 - Prob. 22.65ECh. 22 - Prob. 22.66ECh. 22 - Prob. 22.67ECh. 22 - Prob. 22.68ECh. 22 - Which of the following are not a requirement for...Ch. 22 - Prob. 22.70ECh. 22 - Prob. 22.71ECh. 22 - Outline the three stages in the extraction of...Ch. 22 - Prob. 22.73ECh. 22 - Prob. 22.74ECh. 22 - Prob. 22.75ECh. 22 - Prob. 22.76ECh. 22 - Prob. 22.77E
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- What is the net chemical reaction associated with the Chapman cycle?arrow_forwardAssume that in a certain cell, the ratio of products/reactants or Keq = 614.9 (Keq is dimensionless) for the reaction Glucose + ATP <> Glucose-6-P + ADP, at a particular instant, the concentrations of each compound were Glucose =4.3M, ATP =10.5M, ADP =17.3M and G-6-P =23.5M. Calculate the difference (dimensionless) between Keq and the ratio of products/ractants at this instance, in this cell, to five significant figures.arrow_forwardHow do we determine AG"AG'?arrow_forward
- 40) Use the following information to answer the question below. +100- 19.0 +80 +70- +6.0 +50- +4.0 +3.0- +20- +1.0 +2.0 +4.0 +6.0 +80 +120 -10 Concentration of reactants. inicremolar Rate of an enzyme-catalyzed reaction as a function of varying reactant concentration, with the concentration of enzyme constant In the figure, why does the reaction rate plateau at higher reactant concentrations? A) The rate of the reverse reaction increases at high reactant concentrations. B) Feedback inhibition by product occurs at high reactant concentrations. C) The reaction nears equilibrium at high reactant concentrations. D) Most enzyme molecules are occupied by substrate at high reactant concentrations. Rate of product formationarrow_forwardWhat is the difference between a catalyst and an enzyme?arrow_forwardX is 6 y is 3 z is 2arrow_forward
- Based on the following information for phosphoglucoisomerase, calculate the equilbrium constant and round to the nearest tenths place. R = 8.3145 J/mol⋅K ΔG∘’ = -14.2 kJ/molarrow_forwardD store water and nutrients A student filled an ice tray nearly full with water. When the tray was removed from the freezer, the ice extended above the top of the tray. Which would be the オ best measurement to prove that no additional water was added to the ice tray? A Mass O B Volume O C Area O D Density What process, essential to the life of all organisms, is the primary function of mitochondria? * hp O O Oarrow_forwardThe following results were obtained for the action of an ATPase on ATP at 20.°C, when the concentration of the ATPase was 20. nmol·dm−3. [ATP]/(µmol·dm−3) 0.60 0.80 1.4 2.0 3.0 v/(µmol·dm−3·s−1) 0.90 1.10 1.48 1.72 1.99 Evaluate the Michaelis constant and the maximum velocity of the reaction. KM = ? vmax = ?arrow_forward
- The transfer or removal of an amino group (transamination/oxidative deamination) from an amino acid leads to an a-keto acid that constitutes a metabolic pathway intermediate, for example, an intermediate of the citric acid cycle. Which citric acid cycle intermediate is provided by the transamination or oxidative deamination of glutamate, as illustrated below? COO™ + I CH-NH3 I CH₂ I CH₂ | COO™ Glutamate Transamination COO™ _i_€ ? Metabolic pathway intermediate COO™ Oxaloacetatearrow_forwardConsider the given interconversion, which occurs in glycolysis. fructose 6-phosphate = glucose 6-phosphate K = 1.97 What is AG" for the reaction (K, measured at 25 °C)? AG" = kJ/mol If the concentration of fructose 6-phosphate is adjusted to 1.3 M and that of glucose 6-phosphate is adjusted to 0.60 M, what is AG? AG = kJ/mol Which statements are consistent with the conditions at which AG'• is measured? | The pressure is 101.3 kPa (1 atm). The pH is 7. The initial concentrations of reactant and product are 1 M. The temperature is 273 K. O Oarrow_forwardUse the following information corresponding to 1 Molar concentrations of reactants and products for Questions 7 -13. ΔHo’ = -63.39 kJ/mol and ΔS o’ = -0.1255 kJ/molK. Glycerol + ATP → ADP + 3-Phosphoglycerate: ΔHo’ = -63.39 kJ/mol and ΔS o’ = -0.1255 kJ/molK. At what temperature (if any) is this reaction excergonic? Report your answer in Kelvin using inequality signs with out and extra spaces added in. For example T=100.00K T>100.00K T<100.00K T</=100.00K less than or equal to T>/=100.00K greater than or equal toarrow_forward
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