Suppose that you made some wine whose alcohol content was10% w/v (i.e., 10 g of ethanol per 100 mL of wine). The initial fer-mentation mixture would have had to contain what molar con-centration of glucose or its equivalent to generate this muchethanol? Is it likely that an initial fermentation mixture wouldcontain that much glucose? In what other forms might the fer-mentable carbon appear?

Fermentation is a metabolic process that extracts energy in the form of ATP from carbohydrates in…

Answered: Suppose that you made some wine whose…

Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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You are working on an enzyme that obeys standard Michaelis-Menten kinetics. You have determined the Vmax to be 0.1 mol/sec and the Km to be 2.5 mM. What would the rate of the reaction be when the substrate concentration is 20 mM? 0.09 MS-1 O 0.133 Ms-1 O 0.18 Ms ¹ 9 Ms-1 O 0.018 Ms-1 0.2 MS-1
In the following representation of stepwise electron flow through the respira- tory chain, replace the question marks with suitable parameters being judged. -0.4 NADH 240 -0.2 FMN, 200 0.0 160 0.2 120 0.4F cyt c 80 0.6 40 0.8 (a) ? (b) ?
Components of ETC involved in redox reactions are organised from high energy to low energy”. Explain this statement and how does this play a role in transfer of electrons in ETC?
Calculate the slope on a Lineweaver-Burk plot (Km / Vmax) for the above enzyme (lactase). (enzyme lactase has a Vo of 0.111111111111 mM per minute when [S] = 1.0 mM, and a Vo of 0.20 mM per minute when [S] = 5.0 mM) 0.125 per minute 0.25 per minute 0.50 per minute 1.25 per minute 5.0 per minute
Write a balanced equation for the oxidation of ubiquinol by cytochrome c. Calculate ΔG°′ and Δℰ°′ for the reaction.
Can you graph the data
You begin to study enzyme Z, which catalyzes a simple reversible reaction that interconverts compound S and compound P. You observe that the ∆G´° for the S to P conversion to be –6 kJ/mol, and that compound S has ∆G´° for binding to enzyme Z of –15 kJ/mol, while compound P has a ∆G´° for binding to enzyme Z of –13 kJ/mol. Please explain the effect of enzyme Z on conversion of S to P. (Your answer should include a graph qualitatively showing energy versus reaction progress; however, you still need to explain youranswer in words!) not sure how to make the correct graph.
Suppose ribulose-5-phosphate, labeled with "C in carbon 1, is used as the substrate in dark reactions. In which carbon of 3PG will the label appear?
Assume that the maximum number of ATPs is produced (38) in glycolysis. At pH 7, and in the presence of excess Mg2+, how much of the energy in one mole of glucose is stored as ATP?
Use the graph below to determine which of the following is the optimal temperature for catalase. Catalase Activity 1.5 1.4 1.3 1.2 1.1 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 10 20 30 40 50 60 Temperature (°C) O 0.8 O 1.45 O 37 O 20 Percent Increase in Oxygen per Minute
Soy sauce is prepared in a CLOSED tank by fermenting a salted mixture of soybeans and wheat with yeast, over a period of 8 to 12 months. The resulting sauce (after solids are removed) is rich in ethanol. (a) How is ethanol produced in the resulting soy sauce? What is the importance of this process? Include the enzymes involved. (b) Could ethanol be produced when the reaction mixture is incubated in an OPEN tank?
Interested in studying ethanol fermentation, you prepare two solutions of yeast extract that contains the cytosolic contents of Saccharomyces cerevisiae. You add glucose to both extracts at time zero, but to one (in red) you also add inorganic phosphate (added in two batches). Using a gas sensor, you monitor the CO2 generated by the two solutions over time and obtain the following data:

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