can be9. Compartmentation in ß Oxidation Free palmitate is activated to itscoenzyme A derivative (palmitoyl-CoA) in the cytosol beforeoxidized in the mitochondrion. If palmitate and [ ¹4C]coenzyme A areadded to a liver homogenate, palmitoyl-CoA isolated from the cytosolicfraction is radioactive, but that isolated from the mitochondrial fractionis not. Explain.

Beta oxidation is the biochemical pathway by which fatty acids are broken down two carbon at a time…

Answered: 9. Compartmentation in ß Oxidation Free…

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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02 is neither involved in glycolysis nor citric acid cycle but is still, one cycle is called aerobe and the other anaerobe. Explain which pathway is aerobe and which is anaerobe and why.
25. The AG" values for the two reactions are given. 1. 2. oxaloacetate + acetyl-CoA + H₂O → citrate + COASH oxaloacetate + acetate → citrate Enzymes for reactions 1 and 2 are citrate synthase and citrate lyase, respectively. Determine the AG" for the hydrolysis of acetyl-CoA acetyl-CoA + H₂O acetate + COASH + H+ plane een isoimorfbold bns (94) opg Vp1903 9911 AG¹⁰ ? AGO = -32.2 kJ/mol AG"=-1.9 kJ/mol
Palmitoleic acid, 16:1Δ⁹ hexadecaenoic acid, (16 carbon FA with one double bond )is an important fatty acid component of TAGs and cell membranes. Briefly explain the process of beta oxidation of this fatty acid and the number (only) of FADH, NADH and acetyl CoA outcome. What is the total ATP (only number) generated from this fatty acid after beta oxidation.
Explain this krebs cycle
3.) As mentioned in the March1 outline a critical step in the glycolysis metabolic pathway (conversion for glucose to pyruvate that produces 2 ATP's) is the attachment of dihydroxyacetone phosphate to an isomerase enzyme via an iminium bridge (step1). There is a second step that takes the imine to the enamine that sets up the C-C formation reaction with an enol that you'll cover in two weeks. Show the mechanism for steps 1 (mild acid catalysis) and 2 (draw resonance forms for the iminium cation). In your mechanism, show the intermediate hemiaminal (carbinolamine). Step 2 may address one of the questions asked in Wednesday's class about the water taking out the N-H proton of the iminium cation versus a C-H proton? CH₂OPO3² E-NH₂ + O=C (step 1) CH₂OH Dihydroxyacetone phosphate Iminium (+) cation intermediate (step 2) Enamine (Enol) Intermediate H CH₂OPO32- E-N-C H C. OH H₂O E
trace the position of the elctron as this glucose molecule proceeds through glycolsis and two turns of the citric acid cycle
Fatty acid degradation stimulates the citric acid cyclethrough the activation of pyruvate carboxylase by acetylCoA. Why would the activation of pyruvate carboxylaseincrease energy generation from fatty acids?
9. The equation below depicts the first step of the citric acid cycle. H0 CoA-SH CH-C + 0=C-CO0 HO C-COO citrate s-COA ČH2-COO synthase ČH2 -CO0 Citrate Acetyl-CoA Oxaloacetate AG" = -32.2 kJ/mol a) Explain the chemical conversions that take place during this step. b) Why is this reaction energetically favorable? Explain.
Handwritten Identify the molecule names, enzyme name, enzyme classification and change in reaction(for glycolysis pathway)
Acetyi CoA Oxaloncetate CoA NADH NAD: Citrate Isccitrate Malate NAD co NADH Funaate »FADH; FAD a- Ketoglutarate Succinate NAD ATP Succinyt CuA NADH ADP - P, If you were told to add one of the eight citric acid cycle intermediates to the culture medium fo yeast growing in the laboratory, what do you think would happen to the rates of ATP and carbon dioxide production? (see the above figure) a. There would be no change in ATP production, but the rate of CO2 production would increase. b. The rates of ATP production and CO2 production would both increase, c. The rate of ATP production would increase, but the rate of CO2 production would decrease. d. The rates fo ATP and CO2 production would both decrease.
In the clinical case scenario provided, match the defective enzyme in Column A with the consequence of this enzyme defect in Column B. IND OAD DH Autopsy results from individual X showed normal levels of glucose and pyruvate, very low levels of NAD+ and very high levels of NADH. Their blood oxygen levels were normal, although the cause of death was given to be a lack of oxygen. Option A B C D Defective enzyme Phosphofructokinase Pyruvate dehydrogenase Cytochrome oxidase Lactate dehydrogenase write your answer here Consequence of this enzyme defect Impaired ATP production Impaired NAD production Impaired respiration Impaired oxygen I L OORD ORD OND DORO G
When regulating phosphofructokinase, why is there such extensive regulation of this reaction and enzymatic reactions, in general?

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