Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 9, Problem 10TYPSS
QUANTITATIVE Early estimates suggested that the oxidation of glucose via aerobic respiration would produce 38 ATP. Based on what you know of the theoretical yields of ATP from each step, show how this total was determined. Why do biologists now think this amount of ATP/glucose is not achieved in cells?
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compute the yield of ATP when one molecule of hexanoic acid (6:0 fatty acid) is completely oxidized for energy in an aerobic cell. Comment on how this yield of ATP compares with that obtained from the complete oxidation of glucose.
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Chapter 9 Solutions
Biological Science (6th Edition)
Ch. 9 - Where does the citric acid cycle occur in...Ch. 9 - 2. What does the chemiosmotic hypothesis claim?
a....Ch. 9 - 3. After glucose is fully oxidized by glycolysis,...Ch. 9 - 4. What is the primary function of the reactions...Ch. 9 - Compare and contrast substrate-level...Ch. 9 - If you were to expose cells that are undergoing...Ch. 9 - In step 3 of the citric acid cycle, the enzyme...Ch. 9 - 8. Explain the relationship between electron...Ch. 9 - 9. Cyanide (C=N–) blocks complex IV of the...Ch. 9 - QUANTITATIVE Early estimates suggested that the...
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- Calculate the ATP yield when glucose is catabolized completely to six CO2 by a eukaryotic microbe. How does this value compare to the ATP yield observed for a bacterium? Suppose a bacterium used the Entner-Doudoroff pathway to degrade glucose to pyruvate and then completed the catabolism of glucose via the TCA cycle. How would this affect the total maximum ATP yield? Explain your reasoning.arrow_forwardLactose is a disaccharide composed of galactose and glucose. Predict the rate of carbon dioxide production that you think would occur if lactose was used as the substrate for fermentation in this experiment. Explain the reasoning behind your prediction.arrow_forwardAn animal cell, roughly cubical in shape with side length of 10 μm, uses 109 ATP molecules every minute. assume that the cell replaces this ATP by the oxidation of glucose according to the overall reaction 6O2 + C6H12O6 →6CO2 + 6H2O and that complete oxidation of each glucose molecule produces 30 ATP molecules. how much oxygen does the cell consume every minute? How long will it take before the cell has used up an amount of oxygen gas equal to its own volume?arrow_forward
- HUW Define metabolism, anabolism, and catabolism. List the ways cells control the flow of molecules through metabolic pathways. Explain the roles of the following molecules in biological energy transfer and storage: ADP, ATP, NADH, FADH2, NADPH. Outline the pathways for aerobic and anaerobic metabolism of glucose and compare the energy yields of the two pathways. Write two equations for aerobic metabolism of one glucose molecule: one using only words and a second using the chemical formula for glucose. Explain how the electron transport system creates the high-energy bond of ATP. Provide a general description of how proteins are made.arrow_forwardFor many years, the total number of molecules of ATP produced for each molecule of glucose in aerobic respiration was given as 38. Later, it was estimated to be closer to 36, and now it is believed tobe closer to 30. What factors must be considered in estimating the yield of ATP molecules? Why are the recent numbers considered to be approximate values?arrow_forwardCan you please explain the relationship of ATP concentration and NADH concentration in this graph (cellular respiration)? At different treatments of ATP (E.g. At 25 ATP, 50 ATP, 100 ATP), why did the NADH concentration change?arrow_forward
- A scientist is studying the catabolism of glucose in a particular strain of bacteria. Normally, that species of bacteria produces 10 NADH, 2 FADH2, and 4 ATP from the theoretical net yield of a single glucose molecule. They calculates that the theoretical net yield is only 2 ATP and 4 NADH in this strain. Provide an explanation for what is happening and why. Use the different parts of cellular respiration in all parts of your explanation.arrow_forwardATP production is limited from glycolysis in strenuously exercising muscle or when yeast are fermenting carbohydrates in closed vessels. The limiting factor is Select one: a. the increased acidity from lactic acid causing muscle damage b. the accumulation of CO, c. the lack of ATP to continue glycolysis d. the lack of organic fuel molecules to oxidize e. the need to regenerate NAD+arrow_forwardWhich of the following is associated with the process of ATP re-synthesis during exercise? a. The energy necessary is captured, in part, by the oxidation of electron transporter molecules (NADH, FADH2) b. Reliant upon release of stored energy obtained from dietary intake c. A process that requires energy as a substrate in order to drive the biochemistry of re-synthesis d. Facilitated through a blending of both anaerobic and aerobic metabolic pathways e. All of the above are true f. Only B and D are truearrow_forward
- Table 8: ATP Yield from Anaerobic Respiration (for 1 Glucose Molecule) # of ATPS Generated through Substrate-Level Phosphorylation # of ATPS Generated from NADH and FADH, through Oxidative # of NADH and FADH, Produced Gross Subtotal of ATPS Produced Process Phosphorylation NADH: FADH2: Glycolysis NADH: FADH2: GROSS TOTAL of ATPS Produced # of ATPS Spent NETTOTAL of ATPS Produced Fermentationarrow_forwardCalculate the total ATP produced in the catabolism of glucose. Follow the table provided below. If NADH = 3 ATP, If NADH = 2.5 АТР, FADH, 1.5 FADH, = 2 ATP ATP Glycolysis Pyruvate shuttle Krebs cycle ETC TOTAL If NADH = 3 ATP, If NADH = 2.5 %3D FADH2 = 2 ATP ATP, FADH2 = 1.5 ATP Alcohol Fermentation Lactic acid fermentationarrow_forwardThe researchers did not study the effects of NADH, ADP and ATP on the enzyme. Given what you know of their roles in GAPDH, classify each as an activator or an inhibitor of the enzyme. What overall consideration having to do with how glycolysis is regulated allowed you to make these inferences, without having any data? Would ADP, a reactant of the phosphorylating pathway, tend to inhibit the competing non-phosphorylating pathway in order to get more ATP made? And the opposite for ATP whose presence indicates that pathway may not be needed any more?arrow_forward
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Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY