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 36P
Interpretation Introduction
Interpretation:
The symptoms in a person whose mitochondria oxidize NADH irrespective of the number of ADP molecules present.
Concept introduction:
P/O ratio (phosphate/oxygen ratio) determines the amount of ATP produced by the transfer of electrons during the electron transport chain, that ends with the acceptance of electrons by oxygen molecule. P/O ratio is dependent on number of hydrogen atoms that transport across the mitochondrial membrane.
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True or false
1. H+ ions generated by the reactions in the electron transport chain, as well as H+ ions present in the matrix of the mitochondria are pumped across the inner mitochondrial membrane into the intermembrane space at three different sites.
2. The electron transport chain is a multistep process that relies on five enzyme systems, as well as mobile electron carriers.
3. Energy released from H+ movement in the electron transport chain fuels phosphorylation.
4. The convertion of Fe3+ to Fe2+ in the electron chain is an example Fe3+ acting as an oxidizing agent.
5. The final stage of Electron Transport Chan is an anaerobic process.
can be
9. Compartmentation in ß Oxidation Free palmitate is activated to its
coenzyme A derivative (palmitoyl-CoA) in the cytosol before
oxidized in the mitochondrion. If palmitate and [ ¹4C]coenzyme A are
added to a liver homogenate, palmitoyl-CoA isolated from the cytosolic
fraction is radioactive, but that isolated from the mitochondrial fraction
is not. Explain.
turned on/off.
3. Outline the three ways that generate ATP. Provide a DETAILED description of each.
Cellular Respiration:
Creatine phosphate
Fermentation
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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- Unanswered catabolism 2 The primary function of the electron transport chain and oxidative phosphorylation is which of the following? Select an answer and submitL For keyboard navigation, use the up/down arow keys to select an answer. 日 To oxidize the reduced coenzymes NADH and FADH2, and provide energy for the synthesis of AlTP b. To provide electrons and energy for the phosphorylation of ATP Toxransport electrens fromATP to ADP and synthesize acetyi CoA molecules Unansweredarrow_forwardI. ATP Calculation A. Given that three molecules of glucose underwent full oxidation, how many of the following is produced in each phase? Show your solutions. Glycolysis NADH FADH₂ ATP A B C Pyruvate Oxidation D E F G H I Kreb's Cyclearrow_forward2 of 50 1-4. IHO OKO ONDO OX 31 H₂C-O 1. HC-O- H₂C-O O=O= 0= JONDO 3. \ 4. write your answer here 2. Following lipase-mediated separation of the three fatty acids, they are each activated through attachment to CoA and transported into the mitochondrial matrix. What is the expected total yield of ATP following complete ß-oxidation of the fatty acid labelled 3 in the image within the mitochondrial matrix? (Your answer should be a number, without any other text. E.g.: 2) I (Note, the fatty acid is already within the mitochondrial matrix. You should only consider the ATP yield from the direct steps of B-oxidation as well as that of the citric acid cycle and oxidative phosphorylation.) 00 [arrow_forward
- 7:09 docs.google.com/forms The oxygen required by cellular-1 * respiration becomes part of إجابتك Why is pyruvate not oxidized to-3 CO2 and H2O under anaerobic * .?conditions إجابتك The metabolic process that-2 produces the most ATP molecules is إجابتكarrow_forwardPlease answer as many as possible 1. Substrate regulation of glycolysis and citric acid cycle (fructose-2,6-bisphosphate, fructose-1,6-bisphosphate, ADP, AMP-positive effectors of glycolysis enzymes; ATP, citrate, NADH, acetyl-CoA-negative effectors of glycolysis enzymes; ADP, AMP-positive effectors of citric acid cycle enzymes; ATP, NADH-negative effectors of citric acid cycle enzymes). 2. The role of the liver in the regulation of glucose concentration. 3. Hormonal regulation of glucose metabolism (the influence of epinephrine, glucagon, glucocorticoids, ACTH, STH, the central role of insulin in regulation of glucose metabolism). 4. Peculiarities of carbohydrate metabolism in the liver and muscles. 5. Peculiarities of carbohydrate metabolism in tumor cells.arrow_forwardEVOLUTION LINK The reactions of glycolysis are identical in all organismsprokaryotes, protists, fungi, plants, and animalsthat obtain energy from glucose catabolism. What does this universality suggest about the evolution of glycolysis?arrow_forward
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