Which one of the following statement s CORRECT for ATP? Select one: O a. Divalent cation Cl2- stabilize ATP and blocks the driving force for association and make ATP unstable. O b. Phosphate bonds of ATP is "highly transferable" bonds. O c. ATP is very unstable in salt solutions having near neutral pH therefore spontaneously dissociate into ADP and Pi. O d. In pure water ATP is very stable and high water concentration would only drive this reaction forward with the help of enzyme.

Which one of the following statement s CORRECT for ATP? Select one: O a. Divalent cation Cl2- stabilize ATP and blocks the driving force for association and make ATP unstable. O b. Phosphate bonds of ATP is "highly transferable" bonds. O c. ATP is very unstable in salt solutions having near neutral pH therefore spontaneously dissociate into ADP and Pi. O d. In pure water ATP is very stable and high water concentration would only drive this reaction forward with the help of enzyme.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter7: Cellular Respiration

Section: Chapter Questions

Problem 2VCQ: Figure 7.12 Cyanide inhibits cytochrome c oxidase, a component of the electron transport chain. If...

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Which one of the following statement is CORRECT for ATP? Select one: a. Divalent cation C12- stabilize ATP and blocks the driving force for association and make ATP unstable b. In pure water ATP Is very stable and high water concentration would only drive this reaction forward with the help of enzyme c. Phosphate bonds of ATP is "highly transferable" bonds. d. ATP is very unstable in salt solutions having near neutral pH therefore spontaneously dissociate into ADP and P
Both H+ and Ca2+ are ions that move through thecytosol. Why is the movement of H+ ions so much fasterthan that of Ca2+ ions? How do you suppose the speed ofthese two ions would be affected by freezing the solution?Would you expect them to move faster or slower? Explainyour answer.
SCIENTIFIC INQUIRY In the 1930s, some physiciansprescribed low doses of a compound called dinitrophenol(DNP) to help patients lose weight. This unsafe method wasabandoned after some patients died. DNP uncouples thechemiosmotic machinery by making the lipid bilayer of theinner mitochondrial membrane leaky to H+. Explain howthis could cause weight loss and death.
A 75 kg person doing light work requires about 3000 kcal of food energy perday, 40% of which is actually used by the body’s cells. (The other 60% is lostas heat and in waste products.) Before being used by the cells, effectively allof this energy is stored in ATP, which is then cleaved into ADP and PO3−2 , with the release of 12.5 kcal per mole of ATP.(a) How many moles of ATP are turned over per day in this fashion? Whatmass of ATP does this correspond to? (The molecular weight of ATP is507 g/mol.)(b) The body actually contains approximately 5 g ATP. Estimate the averagerecycle time for an ATP molecule. You see that it is much more efficientto reuse ADP rather than to synthesize it de novo (from scratch).
Jogging is considered aerobic exercise because the cardiovascular system (heart and blood vessels) can adjust to supply the oxygen needs of working cells. In contrast, sprinting the 100-meter dash might be called anaerobic (lacking oxygen) exercise, and golf nonaerobic exercise. Explain these last two observations.
A molecule that donates electrons becomes _________, and the one that accepts the electrons becomes ________ . a. reduced; oxidized c. oxidized; reduced b. ionic; electrified d. electrified; ionic
Figure 7.12 Cyanide inhibits cytochrome c oxidase, a component of the electron transport chain. If cyanide poisoning occurs, would you expect the pH of the intermembrane space to increase or decrease? What effect would cyanide have on ATP synthesis?
Below is a structure of* ATP ADP CMP or GMP
Which of the following statements concerning ATP is true? a. The free energy value for the hydrolysis of ATP is nearly the same for ADP. b. The free energy value for the hydrolysis of ATP is greater than that for ADP. c. ATP hydrolysis is more likely at pH 5 than at pH 7. d. One mole of glycerate-1,3-bisphosphate can phosphorylate one mole of AMP to yield ATP.
Which of these statements about ATP is true?a.The bond joining ADP and the third phosphate is a high-energy bond.b.The formation of ATP is coupled to energy-liberating reactions.c.The conversion of ATP to ADP and Pi provides energy for biosynthesis, cell movement, and other cellular processes that require energy.d.ATP is the “universal energy carrier” of cells.e. .All of these are true.
Which of the following statements correctly describe(s) the reaction: ADP + Pi + H+ → ATP + H2O ΔG°'= +7.29 kcalmolkcalmol A. ATP is less stable than ADP. B. Hydrolysis of ATP is spontaneous. C. Phosphorylation of ADP is nonspontaneous. D. Conversion of ATP to ADP will release heat.
For dinner you eat 2 slices of a 14" thick crust pizza. Each slice contains 311 Cal. How many minutes would you have to swim to burn the amount of calories in those 2 slices of pizza if you burn 500 kcal/hr swimming? Round your answer to the nearest tenths place.