QUESTION 21Match the following metabolic reactions or components with their corresponding cellular locations?✓Malate oxidation✓ The isomerization of G6P into F6P✓ Cytochrome C✓ The conversion of pyruvate into acetyl-CoASuccinate oxidation into fumarate.The substrate-level phosphorylation reaction that also producespyruvate✓ The accumulation of protons due to the electron transport✓ The reduction of O2 into H₂0A. The intermembrane space of the mitochondriaB. The matrix of the mitochondriaC. The cytosolD. The inner membrane of the mitochondria QUESTION 6The first phosphorylation in glycolysis serves all of the following functions EXCEPT:O Allowing for tissue-specific regulation of sugar metabolismO Committing the sugar for glycolysisO Activating the sugar for further chemical changesO Retaining the sugar for cellular use

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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 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;…
Question 1: Glycolysis and the citric acid cycle both add a phosphate group to ADP to form ATP through the process known as: Answer: Question 2: Cellular respiration is an example of: (pick one) a catabolic and endergonic reaction an anabolic and exergonic reaction an anabolic and endergonic reaction a catabolic and exergonic reaction Question 3: At the end of cellular respiration, about how many ATP molecules have been produced? (pick one) 2 ATP per glucose 12 ATP per glucose 24 ATP per glucose 32 ATP per glucose Question 4: What serves as the final electron acceptor in the transport chain? Answer: Question 5: The 4-carbon molecule that is recycled during the citric acid cycle is: (pick one) oxalacetate ADP acetyl CoA RuBP Question 6. The enzyme used to synthesize ATP during chemiosmosis is known as Answer: Question 7: Most of the carbon dioxide produced by the catabolism of glucose is…
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Question 9 Match the enzyme with a phrase about it. v Catalyzes a substrate lovei phosphorylation 3. Pyruvate kinaise v breaks down sucrose to glucose and fructose b. phosphovylase e phosphohaxesa semerase (ato called giasose-6 phosphete samerane) v is a type of isomerase v removes one glucose residue from glycogen d. Sucrase A Muving to another question will save this response
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Please answer fast The equilbrium constant (Keq) under standard conditions for the hydrolysis of ATP is 200,000 M. This would suggest the reaction is: 1. proceeding in reverse direction 2. proceeding in forward direction 3. in equilibrium However, this does not take into consideration the concentration of substrates/products within the cell. This is can be calculated by determining the reaction quotient, Q by: [ATP] x [Pi] / [ADP] [ATP] + [Pi] / [ADP] [ADP] x [ATP] / [Pi] [ADP] x [Pi] / [ATP] Biochemical reactions commonly involve the transfer of groups from ATP. What is one of the products of pyrophosphate cleavage from ATP? AMP Adenosine ADP Inorganic phosphate Q5-6. The hydrolysis of ATP is often coupled to other reactions. For example: Phosphoenolpyruvate (PEP) + H2O → Pyruvate + Pi (ΔG'° = -63.1 kJ/mol) ATP + H2O → ADP + Pi (ΔG'° = -30.5 kJ/mol) (The standard free-energy changes for the reactions are indicated in brackets) Q5. Given the information above, what is the…
Question 21. What is the effect of added succinate to rotenone-blocked, amytal-blocked, or cyanide blocked mitochondria? In other words, can succinate help "bypass" the block? Explain.
Question 7 This pathway/cycle results in the net production of 2 ATP. ETC Photophosphorylation O Glycolysis Transition step Question 8 Chemiosmosis uses a proton motive force which involves the use of calcium to produce energy. involves the use of the enzymes and electron carriers to break down ATP to form ADP. O is found in the inner mitochondrial membrane in bacterial cells. uses an ion gradient to generate ATP. Question 9 NAD+ is the oxidized form of a common electron carrier. oxidized form of a photophosphorylated molecule. major molecule involved in producing ADP. reduced form of a common electron carrier.
Question 11 1 pts The stage of aerobic respiration that produces the maximum number of ATP is glycolysis oxidative phosphorylation citric acid cycle pyruvate oxidation
Question 18 In a photosynthetic cell undergoing cell expansion and growth involving active synthesis of multiple proteins, which of the following would you expect to be false? O photo-respiratory activity would increase O Nucleolar activity would be elevated O All of the possible answers are true O Mitochondrial activity will increase O Non-Cyclic electron transport would be greater than cyclic electron transport
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