Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
6th Edition
ISBN: 9780134555430
Author: Colleen Belk, Virginia Borden Maier
Publisher: PEARSON
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Chapter 4, Problem 7LTB
Summary Introduction
Introduction:
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Aerobic cellular respiration is said to be catabolic and exergonic because it involves the oxidation of electron-donating compounds which releases energy.
True
False
________ makes the most ATP compared to the other steps.
citric acid cycle
ETC and oxidative phosphorylation
glycolysis
pyruvate processing
For each of the 4 processes involved in aerobic cellular respiration, how many ATPs are produced from one glucose molecule?
Glycolysis produces for every glucose molecule.
The transition reactions (also known as the prepratory reaction produces from every glucose molecule.
The citric acid cycle produces from every glucose molecule.
The electron transport chain produces from every glucose molecule.
Chapter 4 Solutions
Biology: Science for Life with Physiology (6th Edition) (Belk, Border & Maier, The Biology: Science for Life Series, 5th Edition)
Ch. 4 - What is meant by the term induced fit?Ch. 4 - Prob. 2LTBCh. 4 - What are the reactants and products of cellular...Ch. 4 - Which of the following is a false statement...Ch. 4 - Enzymes speed up chemical reactions by...Ch. 4 - Prob. 6LTBCh. 4 - Prob. 7LTBCh. 4 - The electron transport chain ___________. is...Ch. 4 - Most of the energy in an ATP molecule is released...Ch. 4 - Anaerobic respiration ___________. generates...
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- Which of the following is not a major source of ATP production? Glycolysis OGluconeogenesis TCA cycle Oxidative phosphorylationarrow_forwardAll are steps of aerobic cellular respiration EXCEPT for: glycolysis Krebs cycle electron transport chain fermentationarrow_forwardLiver cells need NADH and ATP for gluconeogenesis, which involves both cytoplasm and mitochondria. From cytoplasm, pyruvate enters the mitochondria via transporter protein and in mitochondria, pyruvate undergoes carboxylation and reduction. The reduction produces _______, which is transported from mitochondria to cytoplasm via its transporter protein.arrow_forward
- In which phase of aerobic respiration is the main part of ATP formed? Electron transport chain Krebs cycle Conversion of pyruvate into acetyl CoA Glycolysisarrow_forwardWhich stage of aerobic respiration requires an input of oxygen? Acetyl-CoA formation Citric acid cycle Glycolysis Electron transfer phosphorylationarrow_forwardAll are steps of aerobic cellular respiration EXCEPT for (you can select more than one answer): glycolysis Krebs cycle electron transport chain fermentationarrow_forward
- In biological systems, anabolic and catabolic reactions are "coupled" (or linked) by: Krebs cycle The Electron Transport Chain Photosynthesis Adenosine Triphosphate (ATP) Glycolysisarrow_forwardWhich of the following are true statements regarding cellular respiration? (Select all that apply) Group of answer choices Lactic acid fermentation is an aerobic process The final electron acceptor in the electron transport chain is oxygen Two ATP are produced in the citric acid cycle Glycolysis produces two net molecules of ATP Four ATP are produced in the Krebs cyclearrow_forwardWhich of the following statements regarding glycolysis and cell respiration is NOT true? Both glycolysis and Krebs cycle produce energy intermediate and energy molecules Typically we start glycolysis with glucose, but it all sugars can integrate into glycolysis All cells are capable of performing these catabolic pathways Krebs cycle exists in the mitochondrial matrix for eukaryotesarrow_forward
- 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.arrow_forwardKrebs (citric acid) cycle and electron transport chain belong to: glycolysis aerobic (cell) respiration anaerobic fermentation lactic fermentationarrow_forwardThe 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)arrow_forward
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