theC) using fischer Projection, draw eachforpayoff phase of glycoly iБ.) G3Р ->1, 3-bPG3) 3ры ->2ры5X PEP - ручикatethe reaction2) 1, 3-bPG-) 3PG4.) 2PG->рер

Glycolysis is the collection of 10 enzymatically catalysed reactions that sequentially oxidises a 1…

Answered: C) using Fischer Projection, draw each…

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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Answer a to d for amine reaction
Write out the full redox reaction that happens when both of these reactions are added to the same reaction where there is 1M concentrations of each reactant and products, pH7, and temeprature is 290K. Identify which compounds will be reduced and which compounds will be oxidized. redox reaction 1: Pyruvate¯ + 2H+ + 2e¯ → lactate¯ E'o(V) = -0.185 redox reaction 2: NAD+ + H+ + 2e¯ → NADH E'o(V) = -0.320
Select which of the following enzymes unique to glycolysis are also sites of regulation for glycolysis. Select all that apply. a) glyceraldehyde 3 P dehydrogenase b) PFK c) pyruvate kinase d) hexokinase e) enolase f) phosphoglycerate mutase
The following complex natural product has been biogenetically produced via a pericyclic reaction(s) at the final stage. Can you propose the structure of the precursor? Но H. Me Me OH Me' rol Ме
A bacterial culture is grown using either octadecane (C18H38) or pentachlorophenol (C6HOCl5)) as the sole source of carbon and energy. The cell yield value is determined by dry weight analysis to be 1.49 for octadecane and 0.05 for pentachlorophenol. Using either octadecane or pentachlorophenol, please describe the steps taken (and the final result) showing what percentage of the substrate carbon will be found as cell mass and as CO2? Please show all calculations and give correct answers.
is this correct ? please can you kindly explain each statement
Which of the following is an aldo-tetrose ? * НО H НО Н OH Н OH OH CH2OH (a) (d) H Н НО H A B D OE н -ОН -ОН CH₂OH c=0 н -OH CH₂OH (b) (e) н НО НО H- CH₂OH c=0 -H H OH CH₂OH (c) H Н CH₂OH Т c=0 OH OH CH2OH
5. For a Michaelis-Menten enzyme, k1 = 5.2 ⅹ 108 M-1 s-1, k-1 = 3.1 ⅹ 104 s-1, and k2 = 3.4 ⅹ 105 s-1. a) Write out the reaction, showing k1, k-1, and k2. Calculate Ks and Km. Does substrate binding approach equilibrium or the steady state? Justify your answer. b) What is kcat for this reaction? Justify your answer. c) Calculate Vmax for the enzyme. The total enzyme concentration is 25 pmol L-1, and each enzyme has two active sites. d) What substrate concentration would be required for the reaction in (c) to reach half of Vmax. Justify your answer mathematically. e) A second Michaelis-Menten enzyme has k1 = 4.2 ⅹ 107 M-1 s-1, k-1 = 6.1 ⅹ 104 s-1, and k2 = 5.3 ⅹ 102 s-1. Which enzyme is most efficient? 6. A pharmaceutical company is trying to develop a
1- Which of the following about anabolic processes is true : A) They release energy to build up polymers from monomers.B) They release energy as they degrade polymers to monomers.C) They do not depend on enzymes.D) They consume energy to build up polymers from monomers.E) They are usually highly spontaneous chemical reactions. 2- Conversion of 1 mol of acetyl-CoA to 2 mol of CO2 and CoA via the citric acid cycle results in the net production of: A) 1 mol of oxaloacetate.B)1 mol of citrate.C) 1 mol of FADH2.D) 1 mol of NADH.E) 7 mol of ATP.
Provide a reasonable step-wise mechanism for the reaction below, involving TPP as acoenzyme (can abbreviate the pyrophosphate as R), and invoking any general acids or base fromacetolactate synthase that you might need .
i) Re-arrange the Michaelis Menten equation so it involves the ratio [S]. Show all steps beginning Km noting any assumptions or required conditions. Km ii) Calculate the ratio [lo for the case when the rate of product formation is 68% of Vmax and the substrate is in great excess. d[P] dt : k₂ with = [E],[S] Km+[S]' [S]o Km iii) Explain, in a few sentences, why the ratio determines the ratio V Vmax V Vmax Begin by explaining the meaning of stating simply "it's the ratio...." is not sufficient. Include in your explanation the factors that effect v and Vmax. Consider what factors make v different from or equal to Vmax. Consider what Km represents concerning processes involving ES. " iv) Calculate KM at 310K at given the following rate constant information: k₁ = 17 s-¹M-1 at 300K with A = 7300 s-¹M-1 K-1₁ 6 s¹ at 300K with A = 14500 s -1 k₂ = 31 s¹ at 300K with A = 600 s-¹

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C) using Fischer Projection, draw each for the payoff phase of glycoly in 6.) G13 P 1, 3-bPG 3) 3PG ->2P G 5) PEP > Pyruvate the reaction 2) 1,3-bPG - 3PG 4.) 2PG-PEP