Biochemistry
9th Edition
ISBN: 9781319114671
Author: Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.
Publisher: W. H. Freeman
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Chapter 18, Problem 2P
Interpretation Introduction
Interpretation:
The complex that takes part in both ETC and citric acid cycle.
Concept introduction:
An electron transport chain (ETC) is the series of
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. Write the reaction that links glycolysis and the citric acid cycle. What is the enzyme that catalyzes the reaction?
a.Write the balanced reactions catalyzed by complex I, II, III, and 1V, and using these, write the balanced net
reaction for the electron transport chain. Structures are not necessary.
b. Write the balanced reaction for the ATP synthase reaction.
c. Write the net reaction for Oxidative phosphorylation showing the ATP produced from NADH oxidation and
FADH2 oxidation. (this is in your text)
d. Write the balanced reaction for ATP production by aerobic metabolism starting with glucose.
Take a deep breath and relax. The oxygen that you breathe in is directly consumed by the _____ in the ______.
Select one:
a.
cytochrome oxidase complex, electron transport chain
b.
NADH reductase complex, electron transport chain
c.
an iron-containing ubiquinone protein, electron transport chain
d.
NADH reductase complex, Kreb’s Cycle
e.
Cytochrome oxidase comples, Kreb’s Cycle
Clear my choice
Chapter 18 Solutions
Biochemistry
Ch. 18 - Prob. 1PCh. 18 - Prob. 2PCh. 18 - Prob. 3PCh. 18 - Prob. 4PCh. 18 - Prob. 5PCh. 18 - Prob. 6PCh. 18 - Prob. 7PCh. 18 - Prob. 8PCh. 18 - Prob. 9PCh. 18 - Prob. 10P
Ch. 18 - Prob. 11PCh. 18 - Prob. 12PCh. 18 - Prob. 13PCh. 18 - Prob. 14PCh. 18 - Prob. 15PCh. 18 - Prob. 16PCh. 18 - Prob. 17PCh. 18 - Prob. 18PCh. 18 - Prob. 19PCh. 18 - Prob. 20PCh. 18 - Prob. 21PCh. 18 - Prob. 22PCh. 18 - Prob. 23PCh. 18 - Prob. 24PCh. 18 - Prob. 25PCh. 18 - Prob. 26PCh. 18 - Prob. 27PCh. 18 - Prob. 28PCh. 18 - Prob. 29PCh. 18 - Prob. 30PCh. 18 - Prob. 31PCh. 18 - Prob. 32PCh. 18 - Prob. 33PCh. 18 - Prob. 34PCh. 18 - Prob. 35PCh. 18 - Prob. 36PCh. 18 - Prob. 37PCh. 18 - Prob. 38PCh. 18 - Prob. 39PCh. 18 - Prob. 40PCh. 18 - Prob. 41PCh. 18 - Prob. 42PCh. 18 - Prob. 43PCh. 18 - Prob. 44PCh. 18 - Prob. 45PCh. 18 - Prob. 46PCh. 18 - Prob. 47PCh. 18 - Prob. 48PCh. 18 - Prob. 49PCh. 18 - Prob. 50PCh. 18 - Prob. 51PCh. 18 - Prob. 52PCh. 18 - Prob. 53PCh. 18 - Prob. 54PCh. 18 - Prob. 55PCh. 18 - Prob. 56PCh. 18 - Prob. 57PCh. 18 - Prob. 58PCh. 18 - Prob. 59P
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- . Describe the reaction steps of the citric acid cycle with a focus on their control. In addition discuss the energy provided to a living cell from the metabolism of one acetyl-CoA entering the citric acid cyclearrow_forwardSome people say that citric acid cycle and the fatty acid oxidation share many similarities. Do you agree with this? Explain with reasons.arrow_forward24a. What is the name of the process shown in the reaction below? ANSWER O || C-COOH J 2 CH Body* 3 #3 (PYRUVATE) (LACTIC ACID) 24b. Is this reaction an oxidation or a reduction? ANSWER (Oxidation or Reduction) 24c. Would this reaction make NAD+ or make NADH? ANSWER (NAD+ or NADH) 24d. No ATP is made in this reaction. In two sentences, explain why cells have to do this metabolism sometimes. Why is this sometimes necessary for survival? A 4 B % от оро CH 5 OH CH-COOH MacBook Pro I U < 6 & 7 8arrow_forward
- Match each term with its description. a. Electron transport system Part of the cell in which citric acid cycles take place Last step in cellular respiration Compound that carries high energy electrons to the electron transport system b. Pyruvate C Mitochondria d. Acetyl coenzyme A e. Glycolysis f. NAD 9-Cytosol h. Lactate 1. Anaerobic i. Citric acid cyclearrow_forwardThis is the ATP accounting question. You are limited to the carbon in the following molecules: One xylulose 5-phosphate, One glyceraldehyde 3-phosphate, One sedoheptulose 7-phosphate, 1 Oxaloacetate, and 3 carbon dioxide A) Disregard regulation completely regarding pathway activity, using only the enzymes of glycolysis, pentose phosphate pathway, and citric acid cycle, what is the maximum ATP one can generate with these molecules? B) Disregard regulation completely regarding pathway activity, using only the enzymes of glycolysis, Calvin- Benson-Bassham cycle, and citric acid cycle, what is the maximum ATP one can generate with these molecules (in this instance only, you also are given 3 ATP and note that you do NOT need to regenerate substrates for rubisco once you get through this enzyme).arrow_forward. In deciding which form of isocitrate dehydrogenase plays the more important role in the citric acid cycle-the NAD*-dependent or the NADP*-dependent form-what kinds of information would help you?arrow_forward
- 2B. Calculate the total number of ATP that will be generated from the complete B-oxidation of oncobic acid (CH:(CH,),CH=CH(CH,),COOH; 15:1 cis-A9) in an organism that has all the standard required enzymes for metabolism but which pumps only 2 H" in complex I, 0 H' in complex II, 2 H* in complex III and 4 H' in complex IV. The F,F, ATPase is composed of 3 a/ß subunits and 10 c subunits. Show all of your calculations. HOarrow_forwardMedical Perspective: 1. Identify at least five biological effects of disorders of the citric acid cycle’2.What are the health implications of a deficiency of the enzyme, pyruvate decarboxylase?arrow_forwardPlease explain the Krebs Cycle how you understand it. Explanation The Krebs cycle is most often referred to as the TCA cycle or the citric acid cycle. During this cycle, a multitude of metabolic events take place in the mitochondrial matrix, which is involved in cellular respiration during aerobic respiration. During this cycle, glucose and other molecules are broken down into ATP , therefore the cell's energy currency, and carbon dioxide are created. To create ATP, the Krebs cycle produces NADH and FADH2 that are necessary in the process stage of cellular respiration known as the electron transport chain. An enzyme called acetyl CoA is applied in the Krebs cycle, which provides ATP and carbon dioxide. Question: Please respond to the explanation post above on Krebs cycle.arrow_forward
- 5a. What is the difference between high and very high energy bond molecules? Give 2 examples of each. 5b. What is the total number of H+ transferred from matrix to intermembrane space of the mitochondria by complexes I, II and III for every 2 electrons movement? What would be the total amount of ATP synthesized (explain)?arrow_forward1 draw an amino acid. Use R for the side chains 2 draw a nucleotide triphosphate with an expanded triphosphate. you may abbreviate the nucleobase with base. citric acid cycle 3 What is the net reaction of the citric acid cycle ? what happens to each product. 4 starting with acetyl coenzyme A and oxaloacetate, draw out the molecular structure for each step of the citric acid cycle. For each step , include the name of the enzyme that catalyzes the reaction.arrow_forward20. Energy harvest. What is the yield of ATP when each of the following substrates is completely oxidized to CO₂ by a mammalian cell homogenate? Assume that glycolysis, the citric acid cycle, and oxidative phosphorylation are fully active. (a) Pyruvate (d) Phosphoenolpyruvate (e) Galactose (b) Lactate (c) Fructose 1,6-bisphosphate (f) Dihydroxyacetone phosphatearrow_forward
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