Consider this chemical reaction: ATP + H2O --> ADP+ Pi.Identify the FALSE statement regarding this reaction. Select the best option ofthose available.It can be coupled to less energetically-favorable reactions during biosynthesisIt consumes energyIt is reversibleIt involves the cleavage of a high-energy phosphate bond

Step 1:The FALSE statement regarding the given chemical reaction is:"It consumes energy." This…

Answered: Consider this chemical reaction: ATP +…

Introduction to General, Organic and Biochemistry

11th Edition

ISBN:9781285869759

Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres

Chapter23: Enzymes

Section: Chapter Questions

Problem 23.66P

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ATP Synthase in plants has the same basic structure and function as the ATP Synthase in humans. O True O False
When the following reaction reached equilibrium the concentration of glucose 1-phosphate is 34mM, and the concentration of glucose 6-phosphate is 190mM. At standard temperatures and pressure, calculate the Keq and the ΔGo' glucose 6-phosphate <---(phosphoglucoisomerase)---> glucose 1-phosphate Keq= ΔGo' =
In Q -6 4 -2 -10 -20 -30 40 -50 Questions 7-9 refer to the same reaction depicted in the graph ove. Shown is a graph of AG by In(Q) for a reaction in glycolysis. Which reaction does this graph most likely describe? O Glucose-6-phosphate → Fructose-6-phosphate O 3-phosphoglycerate → 2-phosphoglycerate O Dihydroxyacetone phosphate → Glyceraldehyde-3-phosphate O 2-phosphoenolpyruvate + ADP → pyruvate + ATP Assume AG = -32 kJ/mol when Q = 1. Calculate AG in kJ/mol to the nearest tenth when Q = 7.0 and T =25°C. Input the value (without units) into the box below. AG (kJ/mol)
GLYCOLYSIS: 1A) Starting with glucose (in the open-chain Fisher projection), draw out the molecular structures for each step of glycolysis. For each step, include the name of the enzyme that catalyzes the reaction. 1B) What is the net reaction of glycolysis? CITRIC ACID CYCLE: 2A) Starting with acetyl-coenzymeA and oxaloacetate, draw out the molecular structures for each step of the citric acid cycle. For each step, include the name of the enzyme that catalyzes the reaction. 2B) What is the net reaction of the citric acid cycle? What happens to each product? OXIDATIVE PHOSPHORYLATION: 3A) Thoroughly explain the biological significance of NADH/H* and FADH2 and their roles in oxidative phosphorylation. 3B) Describe and diagram the general pathway of the electrons from NADH/H+ and FADH₂ to O₂ during the electron transport chain. 3C) What is "chemiosmotic coupling", and what is its relationship to ATP synthesis? 3D) During oxidative phosphorylation, what is oxidized and what is…
TPP is a coenzyme for transketolase, the enzyme that catalyzes the conversion of a ketopentose (xylulose5-phosphate) and an aldopentose (ribose-5-phosphate) to an aldotriose (glyceraldehyde-3-phosphate) and a ketoheptose (sedoheptulose-7-phosphate). Notice that the total number of carbons in the reactants and products is the same (5 + 5 = 3 + 7). Propose a mechanism for this reaction.
. Each gram of mammalian skeletal muscle consumes ATP at a rate of about 1x 10-3 mol/min during contraction. Concentrations of ATP and creatine phosphate in muscle are about 4 mM and 25 mM, respectively, and the density of muscle tissue can be taken to be about 1.2 g/cm'. (a) How long could contraction continue using ATP alone? (b) If all creatine phosphate were converted into ATP and utilized as well, how long could contraction continue? (c) What do these answers tell you?
Refer to the following reaction. The substrate of this reaction is called through a mechanism called "Feed Forward Activation". (A) Phosphoenolpyruvate, Fructose 1,6-bisphosphate Lactate, NADH OPO₂²- ADP ATP J = 4 O H₂C H₂C 2-phosphoglycerate, AMP Glyceraldehyde 3-phosphate, ATP and the enzyme is activated by high conc. of
Stearic acid is the common name for the C18 straight-chain, saturated fatty acid. Draw the structure of the fatty acyl-CoA that this forms (you don't have to draw out all of the atoms in coenzyme A; you can represent it as S-, and then show all of the reactions). Draw & identify all of the compounds formed when the eighteen carbon fat is converted to two molecules of acetyl-CoA and the fourteen-carbon fat via two turns of the fatty acid spiral. List the enzymes and coenzymes that are part of the pathway.
ATP is produced during synthesis of compounds. O True O False
Consider these three reactions and fill in the blanks below: Malate + NAD+ → Oxaloacetate + NADH + H+ AGO. = = +29.8 kJ/mol Oxaloacetate + acetyl-CoA –→ citrate + COASH AGO = -32.2 kJ/mol Citrate → isocitrate AGO. = +8.4 kJ/mol Under standard conditions the net formation of isocitrate from malate is thermodynamically with a standard free energy change (AGU) of kJ/mol.
TPP is a coenzyme for transketolase, the enzyme that catalyzes the conversion of a ketopentose (xylulose- 5-phosphate) and an aldopentose (ribose-5-phosphate) to an aldotriose (glyceraldehyde-3-phosphate) anda ketoheptose (sedoheptulose-7-phosphate). Notice that the total number of carbons in the reactants and products is the same (5 + 5 = 3 + 7). Propose a mechanism for this reaction.
NADH and FADH2 can "create" ATP only if the cell can do electron transport True False

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