Explain what occurs during glycolysis, the Krebs (citric acid) cycle, and electron transport chain by describing the following. The location of glycolysis, the Krebs cycle, and electron transport chain • Energy investment and products of glycolysis The cyclic nature of the reactions in the Krebs cycle and the function of energy molecules and electron carriers The movement of electrons in the electron transport chain, the role of oxygen, and chemiosomotic production of ATP

Explain what occurs during glycolysis, the Krebs (citric acid) cycle, and electron transport chain by describing the following. The location of glycolysis, the Krebs cycle, and electron transport chain • Energy investment and products of glycolysis The cyclic nature of the reactions in the Krebs cycle and the function of energy molecules and electron carriers The movement of electrons in the electron transport chain, the role of oxygen, and chemiosomotic production of ATP

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter35: Respiration

Section: Chapter Questions

Problem 3CT

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Explain in detail of the process of cellular respiration, including all the stages of cellular respiration (glycolysis, pyruvate oxidation, citric acid cycle, and oxidative phosphorylation) and explain the substrate and product of each pathway. And make a table of the products formed at the end of glycolysis, pyruvate oxidation, citric acid cycle, and oxidative phosphorylation (ATPs, NADHs, water, and carbon dioxide). Then discuss about oxidation-reduction of various molecules that are a part of these pathways.
Determine the ATP production of glucose catabolism by glycolysis and Krebs Cycle using the following information: 1. Glycolysis: Net 2 ATP, 2 NADH + H+2. Pyruvate --> acetyl CoA: Produces 2 NADH + H+/glucose3. Krebs Cycle --> 2 FADH2 + 2 ATP + 6 NADH + H+/glucose 2.5 ATP are produced/NADH + H+ delivered electron to the electron transport system1.5 ATP are produced/FADH2 delivered electron to the electron transport system
Give the Enzyme/s involved, Electron carriers, ATP Generation, End product and significance of the following metabolic pathway: Glycolysis (explain in 1-3 sentences only)
Consider the following reaction: glyceraldehyde-3-phosphate + NAD  1,3bisphosphoglycerate + NADH. In this reaction, glyceraldehyde-3-phosphate is ___________. This reaction takes place in ___________. Select one: a. reduced, electron transport chain b. reduced, Citric Acid Cycle c. oxidized, Citric Acid Cycle d. oxidized, electron transport chain e. reduced, Calvin Cycle
Aerobic respiration (includes oxidation of pyruvate and the citric acid cycle): Summary: Where does it occur? Electron transport chain and oxidative phosphorylation: Summary: Where does it occur?
Pyruvate oxidation yields carbon dioxide and water and liberates energy at the rate of 1142.2 kJ/mol. If electron transport also occurs, approximately 12.5 ATP molecules are produced. The free energy of hydrolysis for ATP is −30.5 kJ/mol. What is the apparent efficiency of ATP production?
Give the Steps, Enzyme/s involved, Electron carriers, ATP Generation, End product and significance of the following metabolic pathway: Pyruvate Oxidation (explain in 1-3 sentences only)
Why would the lack of oxygen completely inhibit the Krebs cycle and the Electron Transport Chain but not glycolysis? Provide detail and reasoning.
consider 15 NADH and 43 FADH2 molecules funneling electrons into the electron transport chain coupled to oxidative phosphorylation 1. the total number of protons (H+) pumped during the oxidation of 15 NADH molecules is _____. 2. the toal number of protons pumped during the oxidation of 43 FADH2 molecules is _______. 3, the number of ATP molecules produced from the oxidation of 15 NADH molecules is______. 4.the number of ATP molecules produced from the oxidation of 43 FADH2 molecules is______. 5. the net yield from oxidation of 15 NADH and 43 FADH2 molecules is_____.
Which of the following statements is true?a) the ATP synthase adds electrons directly to ADP to make ATP b) acetyl CoA produced in the citric acid cycle carries electrons to the electrontransport chainc) the electron transport chain pumps protons from the cytosol into the inter-membrane space of mitochondriad) carbon monoxide is an electron transport chain blocker
Which chemical equation represents the breakdown of organic carbon (into inorganic form) thattakes place during glycolysis, the Krebs cycle, and electron transport (aerobic respiration)? A. C6H12O6 + C6H12O6  C12H22O11 + H2OB. 6CO2 + 12H2O  C6H12O6 + 6O2 + 6H2OC. C12H22O11 + H2O  C6H12O6 + C6H12O6D. C6H12O6 + 6O2 + 6H2O  6CO2 + 12H2OE. all of the above
Oxidative phosphorylation is a two-stage process where ATP synthase couples the electron transport chain to ATP synthesis. In the first part, energy stored in reduced electron carriers is extracted via a series of redox reactions to drive ADP phosphorylation in the second stage, known as chemiosmosis. Select one: The above statement is TRUE. The above statement is FALSE.