Which among the following is the correct sequence of cellular respiration? A Citric Acid Cycle -> Pyruvate Oxidation -> Glycolysis -> Electron Transport Chain B Glycolysis -> Pyruvate Oxidation -> Electron Transport Chain -> Citric Acid Cycle Glycolysis -> Citric Acid Cycle -> Pyruvate Oxidation -> Electron Transport Chain D Glycolysis > Pyruvate Oxidation -> Citric Acid Cycle -> Electron Transport Chain

Which among the following is the correct sequence of cellular respiration? A Citric Acid Cycle -> Pyruvate Oxidation -> Glycolysis -> Electron Transport Chain B Glycolysis -> Pyruvate Oxidation -> Electron Transport Chain -> Citric Acid Cycle Glycolysis -> Citric Acid Cycle -> Pyruvate Oxidation -> Electron Transport Chain D Glycolysis > Pyruvate Oxidation -> Citric Acid Cycle -> Electron Transport Chain

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter7: Releasing Chemical Energy

Section: Chapter Questions

Problem 11SA

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Using the answer code on the right, indicate which form of energy production is being described: 1. takes place in the mitochondrial matrix 2. produces H2O as a by-product 3. results in a rich yield of ATP 4. takes place in the cytosol 5. processes acetyl-CoA 6. takes place in the mitochondrial innermembrane cristae 7. converts glucose into two pyruvate molecules 8. uses molecular oxygen 9. accomplished by the electron transport system and ATP synthase (a) glycolysis (b) citric acid cycle (c) oxidative phosphorylation
Which of the following shows the correct order of reactions for aerobic respiration? Glycolysis → Pyruvate oxidation → Citric acid cycle → Chemiosmosis → Electron transport chain Glycolysis → Fermentation Glycolysis → Pyruvate oxidation → Citric acid cycle → Electron transport chain → Chemiosmosis Glycolysis → Fermentation → Pyruvate oxidation → Citric acid cycle → Electron transport chain → Chemiosmosis Pyruvate oxidation → Glycolysis → Citric acid cycle → Fermentation
Which of the following events occurs during the energy-payoff phase of glycolysis? One carbon of a pyruvate molecule is oxidized to carbon dioxide. Oxaloacetate receives a two-carbon acetyl group from acetyl coenzyme A to form citrate. Substrate-level phosphorylation Oxidative Phosphorylation In which stage of aerobic cellular respiration are FADH2 molecules produced? Pyruvate Oxidation Glycolysis Krebs Cycle Electron Transport Which of the following events does not occur during pyruvate processing (pyruvate oxidation)? One carbon atom of each pyruvate is oxidized to carbon dioxide. NAD+ coenzyme is reduced to NADH. The remaining two carbon atoms of pyruvate (acetyl unit) reacts with coenzyme A to produce acetyl CoA. FAD coenzyme receives two hydrogen atoms to produce FADH2.
b) Place a 'Yes' or a 'No' in the appropriate boxes that correspond to each listed feature of cellular respiration. You may need to state 'Yes' or 'No' in more than one box in a particular row in some cases. Cellular Respiration Feature Involved in aerobic respiration Occurs in the mitochondrial matrix Pyruvate molecules are produced Acetyl COA combines with a 4 carbon molecule Electrons are passed between protein carriers ATP is produced NAD+ gains hydrogen FADH₂ loses hydrogen Glycolysis Yes / No Krebs Cycle Yes / No Electron Transport chain Yes / No
List the following steps of cellular respiration in order - glycolysis-energy investment phase -pyruvate enters mitochondria -TCA cycle -glycoysis-energy payoff phase -formation of acetly-CoA -electron transport chain
The complete aerobic respiration of glucose yields far more energy stored in ATP than glycolysis alone for all of the following reasons EXCEPT: Krebs cycle generates reduced electron carrier molecules (NADH and FADH₂) Krebs cycle generates some additional ATP through substrate-level phosphorylation Electron transport chain (terminal respiratory pathway) produces many ATPs through oxidative phosphorylation using electron carrier molecules (NADH and FADH₂) None of the other four answers (all are reasons that aerobic respiration yields more energy than glycolysis alone) Glycolysis only partially oxidizes the glucose molecule to pyruvic acid
b) Place a 'Yes' or a 'No' in the appropriate boxes that correspond to each listed feature of cellular respiration. You may need to state 'Yes' or 'No' in more than one box in a particular row in some cases. Cellular Respiration Feature Involved in aerobic respiration Occurs in the mitochondrial matrix Pyruvate molecules are produced Acetyl CoA combines with a 4 carbon molecule Electrons are passed between protein carriers ATP is produced NAD* gains hydrogen FADH₂ loses hydrogen Glycolysis Yes / No Krebs Cycle Yes / No Electron Transport chain Yes/No 90+
How are aerobic respiration and fermentation different? What is the function of NAD+ and FADH in cellular respiration? What are the 3 main stages in aerobic cellular respiration? List four products of glycolysis. How is pyruvate modified before entering the citric acid cycle? Why is the citric acid cycle called a cycle? List four different products of citric acid cycle. Which of the three main stages of aerobic cellular respiration provides the biggest payoff of ATPs, and about how many ATPs from one glucose during this stage? In the absence of sugar, what else can cells use to produce ATP?
In biological systems, anabolic and catabolic reactions are "coupled" (or linked) by: Krebs cycle The Electron Transport Chain Photosynthesis Adenosine Triphosphate (ATP) Glycolysis
Aerobic respiration in eukaryotes produces less ATP per glucose molecule than aerobic respiration in prokaryotes. This is because: the electrons from cytoplasmic NADH in eukaryotes are shuttled to ubiquinone instead of NADH dehydrogenase. prokaryotes can produce a larger proton gradient across the inner mitochondrial membrane, thus causing a greater driving force for ATP synthesis. fermentation and the tricarboxylic acid cycle can run simultaneously in prokaryotes, generating two additional ATP per glucose molecule. eukaryotes must actively transport glucose into the mitochondria where respiration А. B. C. D. occurs. prokaryotes can generate 2.5 ATP per FADH2 molecule, whereas eukaryotes can only generate 1.5 per FADH2 Е. E.
The complete aerobic respiration of glucose yields far more energy stored in ATP than glycolysis alone for all of the following reasons EXCEPT: Krebs cycle generates reduced electron carrier molecules (NADH and FADH2) Krebs cycle generates some additional ATP through substrate-level phosphorylation Glycolysis only partially oxidizes the glucose molecule to pyruvic acid None of the other four answers (all are reasons that aerobic respiration yields more energy than glycolysis alone) Electron transport chain (terminal respiratory pathway) produces many ATPs through oxidative phosphorylation using electron carrier molecules (NADH and FADH2)
What is the process that sustains the redox balance of glycolysis under aerobic conditions? transport of lactate from the cell regeneration of NAD* in the citric acid cycle formation of NADH in the reaction of glyceraldehyde 3-phosphate dehydrogenase regeneration of NAD* in fermentation processes regeneration of NAD* in the mitochondrial electron-transport chain