EBK CAMPBELL BIOLOGY
11th Edition
ISBN: 8220103613828
Author: Reece
Publisher: PEARSON
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Textbook Question
Chapter 9.5, Problem 2CC
WHAT IF? Ø A glucose-fed yeast cell is moved from an aerobic environment to an anaerobic one. How would its rate of glucose consumption change if ATP were to be generated at the same rate?
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Suppose the concentration of glucose inside a cell is 0.1 mM and the cell issuspended in a glucose solution of 0.01 mM.(a) What would be the free energy change, in kJ/mol, for the transport ofglucose from the medium into the cell? Assume T = 37 °C.(b) What would be the free energy change, in kJ/mol, for the transport ofglucose from the medium into the cell if the intracellular and extracellularconcentrations were 1 mM and 10 mM, respectively?(c) If the processes described in parts (a) and (b) were coupled toATP hydrolysis, how many moles of ATP would have to be hydrolysed,per mole of glucose transported, in order to make each process favorable? (Use the standard free energy change for ATP hydrolysis.)
Chapter 9 Solutions
EBK CAMPBELL BIOLOGY
Ch. 9.1 - Compare and contrast aerobic and anaerobic...Ch. 9.1 - WHAT IF? If the following redox reaction...Ch. 9.2 - VISUAL SKILLS During the redox reaction in...Ch. 9.3 - Prob. 1CCCh. 9.3 - What process in your cells produce the CO2 that...Ch. 9.3 - VISUAL SKILLS The conversions shown in Figure...Ch. 9.4 - WHAT IF? What effect would an absence of O2 have...Ch. 9.4 - WHAT IF? In the absence of O2 as in question 1,...Ch. 9.4 - MAKE CONNECTIONS Membranes must be fluid to...Ch. 9.5 - Consider the NADH formed during glycolysis. What...
Ch. 9.5 - WHAT IF? A glucose-fed yeast cell is moved from...Ch. 9.6 - MAKE CONNECTIONS Compare the structure of a fat...Ch. 9.6 - Prob. 2CCCh. 9.6 - Prob. 3CCCh. 9.6 - VISUAL SKILLS During intense exercise, can a...Ch. 9 - Describe the difference between the two processes...Ch. 9 - Which reactions in glycolysis are the source of...Ch. 9 - What molecular products indicate the complete...Ch. 9 - Briefly explain the mechanism by which ATP...Ch. 9 - Prob. 9.5CRCh. 9 - Prob. 9.6CRCh. 9 - Level 1: Knowledge/Comprehension 1. The immediate...Ch. 9 - Prob. 2TYUCh. 9 - 3. The final electron acceptor of the electron...Ch. 9 - Prob. 4TYUCh. 9 - What is the oxidizing agent in the following...Ch. 9 - When electrons flow along the electron transport...Ch. 9 - Prob. 7TYUCh. 9 - Prob. 8TYUCh. 9 - MAKE CONNECTIONS The proton pump shown in Figures...Ch. 9 - VISUAL SKILLS This Computer model shows the four...Ch. 9 - INTERPRET THE DATA Phosphofructokinase is an...Ch. 9 - DRAW IT The graph here shows the pH difference...Ch. 9 - EVOLUTION CONNECTION AIP synthases are found in...Ch. 9 - SCIENTIFIC INQUIRY In the 1930s, some physicians...Ch. 9 - WRITE ABOUT A THEME: ORGANIZATION In a short essay...Ch. 9 - SYNTHESIZE YOUR KNOWLEDGE Coenzyme Q (CoQ) is sold...
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- A glucose-fed yeast cell is moved from an aerobic environment to an anaerobic one. For the cell to continue to generate ATP at the same rate, approximately how much glucose must it consume in the anaerobic environment compared with the aerobic environment?arrow_forwardWhat is ATP? Where is the energy held in this molecule? Describe the generalized reversible reaction for release of energy from ATP and explain the role of ATP in the cell. What organelle is responsible for aerobic production of ATP? What are the other two methods of ATP production in the cells? What is cellular respiration?arrow_forwardTable 7: ATP Yield from Aerobic Respiration (for 1 Glucose Molecule) in a Eukaryotic Cell # of ATPS Generated from NADH and FADH, through Oxidative # of ATPS Generated through Substrate-Level Phosphorylation # of NADH and FADH2 Produced Gross Subtotal of ATPS Produced Process Phosphorylation NADH: FADH2: NADH: FADH2: Glycolysis Transition Step NADH: FADH2: GROSS TOTAL of ATPS Produced # of ATPS Spent NET TOTAL of ATPS Produced Krebs Cyclearrow_forward
- assuming each NADH produces 3 ATP and each fadh2 produces 2 ATP in oxidative phosphorylation (perfect world scenario), how many ATP molecules can one glucose molecule make via cellular respiration under aerobic conditionarrow_forwardWhat is a difference between Substrate-level Phosphoratation, and Oxidative Phosphoralation? Question options: Substrate-level Phosphoratation only occurs in the cytoplasm, not in the mitochondria In Oxidative Phosphorylation, ADP is oxidized, forming ATP Oxidative-level Phosphorylation only occurs in the mitochondria, not in the cytoplasm. Substrate-level Phosphorylation can only occur in the presence of oxygenarrow_forwardQ1: Why is it important that enzymes are not permanently altered when they bind with substrate molecules? Q2: How would a higher temperature or higher salt concentration make it more difficult for an enzyme to function effectively? Q3: If a cell was unable to produce a particular enzyme necessary for a metabolic pathway, describe how the absence of that enzyme would affect the cell.arrow_forward
- just answer question --- dont need explanationarrow_forward3arrow_forward3 Diagram A below illustrates schematically a classic experiment designed to test the chemi- osmotic hypothesis. Phospholipid vesicles were made to contain beef heart mitochondrial ATP syn- thase and bacteriorhodopsin, a light driven proton pump isolated from Halobacterium holobium. Under light illumination, proton translocation by bacteriorhodopsin results in ATP synthesis when ADP and inorganic phosphate (Pi) are added to the suspension of vesicles. Diagram B shows a plot of the rate of ATP synthesis as a function of the proton gradient ApH. Bacteriorhodopsin in synthetic vesicle 100F A outside inside 5아 Fo F1 0.3 0.6 0.9 1.2 A pH (a) how this differs from its orientation in mitochondria. Given the orientation of the components of ATP synthase complex in diagram A, describe (b) cavity of the vesicle become the region of low proton concentration or the region of high proton con- centration? Explain your reasoning. Under light illumination to activate bacteriorhodopsin to drive ATP…arrow_forward
- . An aerobic prokaryotic cell is able to generate a maximum of how many molecules of ATP from the complete catabolism of one glucose molecule into carbon dioxide and water? 2 molecules of ATP 4 molecules of ATP 6 molecules of ATP 30 molecules of ATP 32 molecules of ATParrow_forwardaa1arrow_forward3arrow_forward
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