TRUE OR FALSE: The most reactive part of the ATP molecule is the triphosphate group. Creatine phosphate is an energy source in muscle tissue. Phosphate groups may serve as “on” or “off” switches for some enzymes. Oxidatiom of acetaldehyde CH3CHO would yield more energy than the oxidation of ethane CH3CH3 ATP is an activated electron carrier.

TRUE OR FALSE: The most reactive part of the ATP molecule is the triphosphate group. Creatine phosphate is an energy source in muscle tissue. Phosphate groups may serve as “on” or “off” switches for some enzymes. Oxidatiom of acetaldehyde CH3CHO would yield more energy than the oxidation of ethane CH3CH3 ATP is an activated electron carrier.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter2: Cell Physiology

Section: Chapter Questions

Problem 3SQE

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The proton-motive force drives the rotation of the Y subunit of ATP synthase. This creates conformational changes in the active sites of ATP synthase that accelerate the rate of bond formation between ADP and P, through the stabilization of a tetrahedral intermediate. True False
The steps of glycolysis between glyceraldehyde 3-phosphate and 3-phosphoglycerate do NOT involve: Group of answer choices ATP synthesis. catalysis by phosphoglycerate kinase. oxidation of NADH to NAD+. the formation of 1,3-bisphosphoglycerate.
The hydrolysis of the phosphoester bond of ATP releases a large amount of free energy. True or false?
This 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).
Arsenate (AsO³-) closely resembles phosphate in structure and reactivity. However, arsenate esters are unstable and are spontaneously hydrolyzed. If arsenate is added to actively respiring mitochondria, what would be the effect on ATP synthesis? ATP synthesis will decrease because cells require less energy when arsenate is available. ATP synthesis will not be affected because mitochondria are incapable of taking up arsenate. ATP synthesis will stop due to the formation arsenate-ADP anhydrides. ATP synthesis will increase because arsenate anhydride hydrolysis increases ATP turnover. If arsenate is added to actively respiring mitochondria, what would be the most likely effect on the rate of the electron-transport chain? The rate of electron transport will decrease, because arsenate inhibits Complexes I and II. The rate of electron transport will decrease, because arsenate inhibits the citric acid cycle. The rate of electron transport will increase, because arsenate increases the demand…
the maximum amount of ATP that could be generated by the full oxidation of the compound ((CH3(CH2)4COOH 43 O 45 O 131 O 36 O 129 O
Predict the function of each of the following enzymes. Pyruvate carboxylase Alcohol dehydrogenase Cytochrome oxidase Succinate dehydrogenase Amidase Aconitase Primase L-ascorbate oxidase 2. Indicate whether each of the following statements about an enzyme active site is true or false. It is the location where substrate molecules are produced. It always has a fixed, rigid geometry. It always has a geometrical shape exactly complementary to that of substrate. It always accommodates several structurally related substrates. It is the location where substrate molecules are converted to product molecules. It always has a shape that has a degree of flexibility to it. It always accommodates only one specific substrate. 3. Why does the body need so many different enzymes?
Cyanide causes an irreversible inhibition of electron transport that prevents ATP synthesis, whereas the inhibitoryeffect of small amounts of dinitrophenol on ATP synthesisis reversible. Explain the difference.
Choose all of the following true statements. Hint: 6 statements are true. □ If an electron moves from an atom of higher electronegativity to an atom with lower electronegativity, energy is released. O Glycolysis occurs with or without oxygen present. Other biomolecules such as lipids, disaccharides, and proteins can enter the biochemical pathway of aerobic respiration just not directly into the first step of glycolysis. Molecules other than glucose can be broken down and used to build up ATP in aerobic respiration. Glycolysis occurs during both alcohol and lactic acid fermentation, producing 2 net ATP. The higher the electronegativity of an atom, the tighter it holds an electron and the lower its potential energy. Water is the final electron acceptor of the ETC in aerobic respiration. Each protein component of the ETC in aerobic respiration is more electronegative than the last.
Thioester play an important role in glycolysis and the TCA cycle. Which reactions in glycolysis and tca cycle involve thioesters.
a docs.google.com The significance of the ATP molecule shown is best explained by which statement below? * H2N N. 0-P-0-P-0-P-O O ОНОН The many oxygens on this molecule get delivered to the blood. A phosphate group (P= phosphate) from the molecule may detached to release energy for cells to use. The hydrogen molecules will be used by cells to create more H20 (water). The nitrogen in this molecule is used to create more DNA molecules.
electron transport chain The primary function of the electron transport chain and oxidative phosphorylation is which of the following? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. To transport electrons from ATP to ADP, and synthesize acetyl CoA molecules To oxidize the reduced coenzymes NADH and FADH2, and provide energy for the synthesis of ATP To synthesize the reduced coenzymes necessary for digestion To provide electrons and energy for the phosphorylation of ATP