Question 10Match the enzyme and the phrase that carresponds to itv used during strenuous exercise to regenerate NAD+A aicohol denydrogenasav converts pyuvate (a molecule with 3 carbars) to acelaldehyde (a molecule with 2 cartions)B. hexokanasev reduces acetaldehyde to ethanol using NADHC. decartoxylasev phosphoryiates the 6-carbon sugar mannoseo.lactate delydrugenaseA Moving to another question wel save this response.

Enzymes acts as a catalyst in a chemical reaction, i.e it lowers the activation energy of the…

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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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Question 8 What is the standard free energy (AG") for the reduction of coenzyme Q by NADH as carried out by Complex I (NADH-CoQ Reductase) of the electron transport pathway if E (NAD*/NADH) =-0.32 V and E (CoQ/COQH2) = +0.060 V. Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a -24.0 kJ/mol -2.5 kJ/mol -8.7 kJ/mol d. -47.5 kJ/mol e -15.4 kJ/mol f -73.3 kJ/mol g -52.4 kJ/mol -10.8 kJ/mol i -60.2 kJ/mol
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Question 16 Match the phrase with the enzynie or cofactor v water soluble and moves between enzymes a kinase v tend to stay with an enzyme as a prosthelic group b; FAD t phosphatase v Dephosphorylation is spontaneous, or catalyzed by d. NADH v catalyzes phosphorylation of an enzyme Moving to another question will save this response.
QUESTION 1 If a reaction has a Delta G of 42: a. The reaction is energy requiring b The reaction is exergonic c. The reaction is endergonic d. The reaction is non-spontaneous e. The reaction is spontaneous QUESTION 2 Which if any, of the following are true of enzymes? a They are biologic catalysts
Question 16 In the skeletal muscle, insulin increases fatty acid synthesis by up regulation of which pathway? O A. Oxidative phosphorylation O B. Glycolysis O C. Glycogenesis O D. Lipolysis O E. B oxidization
Question Which of the following co-enzymes are associated with the pyruvate dehydrogenase (PDH) complex? Lipofectamine Aldolase Lipoamide Hexokinase ype here to search Pyruvate kinase 88 16°C ENG 10:49 PM 6/04/2023
QUESTION 1 Which of the following concepts in column A best fits the concept in column B. p-Nitrophenyl a-D-Glucoside Action of intracellular a-GLUCOSIDASE + NaHCO3 Boiling cells Tris-pH 5.0 A. Substance that act as molecular mimic of a maltose molecule B. Develops TT-Nitrophenyl into a yellow colour reagent for measurement at 400nm c. Breaks the a-linkages of p-Nitrophenyl a-D-Glucoside, leaving p-Nitrophenyl and a glucose molecule D. Allows transport of p-Nitrophenyl a-D-Glucoside across the membrane E. Stop the reaction and release internal p-Nitrophenyl
Question 1: In some microorganisms, carbon fixation occurs by reversal of the citric acid cycle. This reversal is accomplished in part by the use of a strong reductant (ferredoxin) to drive the alpha-ketoglutarate dehydrogenase reaction in the reductive direction. Part a: ΔG°‘ for reaction as it occurs in the ‘normal’ (oxidative) citric acid cycle is -30.1 kJ/mol. The standard reduction potential for NADH is -0.32 V. In order to drive the reaction in the reverse direction, the reductant (a ferredoxin) must have a lower reduction potential than NADH/NAD+. Remembering that this is a two-electron reduction, and using the numbers given just above, compute the value of the ferredoxin reduction potential that would be needed to make the standard free energy zero (so that the reductive reaction is enegetically just as favorable as the oxidative reaction). Assume that all of the other reactants are the same in the reductive as in the oxidative reaction. Write out the steps in your calculation;…
12 protons is the wrong answer can i please get the right answer
Question 1 a. What enzyme works on glucose-6-P when the energy charge is 0.80? b. What enzyme works on glucose-6-P when the energy charge is 0.97? c. What enzyme works on glycogen when the energy charge is 0.80?d. d. What enzyme works on glycogen when the energy charge is 0.97? e. What enzyme works on pyruvate when the energy charge is 0.80 (assume high O2)? f. What enzyme works on pyruvate when the energy charge is 0.97?
Remaining V Ha Question 17 Triose phosphate isomerase catalyzes the conversion of Glyceraldehyde-3- phosphate to Dihydroxyacetone phosphate. Glyceraldehyde-3-P Dihydroxyacetone phosphate The Km of this enzyme for its substrate Glyceraldehyde-3-phosphate is 1.8 x 10 M. When [Glyceraldehyde-3-phosphate] = 30 uM the rate of the reaction (v) was 82.5 umol/mL/sec and the Vmax was 132 umol/mL/sec. Assuming 3 nanomoles/mL of enzyme was used ([Eotal = 3 nanomol/mL) the kcat for this enzyme is: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a 44000/sec b 1100/sec 88/min d. 120/hour e 11/min Im f 450000/sec g 52800/sec 175/sec
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