EBK CAMPBELL BIOLOGY
10th Edition
ISBN: 9780136539414
Author: Reece
Publisher: VST
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Chapter 9, Problem 2TYU
Summary Introduction
Introduction:
Fermentation is process of respiration that takes place in the absence of oxygen, and
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Which of the following metabolic process produces NADH or NADPH? And which process requires the reducing power of NADH or NADPH as a cofactor?
(1) Glycolysis(2) Gluconeogenesis(3) Pentose Phosphate Pathway(4) TCA cycle(5) Oxidative Phosphorylation(6) Catabolism of fatty acids(7) Anabolism of fatty acids
Produce NADH or NADPH: (1) (3) (4) (6); Require NADH or NADPH: (2) (5) (7)
Produce NADH or NADPH: (3) (4) (7) ; Require NADH or NADPH: (1) (2) (5) (6)
Produce NADH or NADPH: (2) (3) (4) (6); Require NADH or NADPH: (1) (5) (7)
Produce NADH or NADPH: (1) (3) (4) (7); Require NADH or NADPH: (2) (5) (6)
Which metabolic pathway is common to both fermentationand cellular respiration of a glucose molecule?(A) the citric acid cycle(B) the electron transport chain(C) glycolysis(D) reduction of pyruvate to lactate
Oxidative phosphorylation occurs during which of the following components of glucose metabolism?
Choose one from the following:
(A) glycolysis
(B) intermediate step
(C) citric acid cycle
(D) electron transport
Chapter 9 Solutions
EBK CAMPBELL BIOLOGY
Ch. 9.1 - Prob. 1CCCh. 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 - 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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- The pathway that converts glucose to acetyl-CoA is often referred to as an “aerobic oxidation pathway.” (a) Is molecular boxygen involved in any of the steps of glycolysis? (b) Thinking back to Chapter 20, where does molecular oxygen enter the picture?arrow_forwardIn the Cori cycle, the lactate product of glycolysis in muscle is transformedback into glucose by the liver. (a) List the enzymes involved in the lactate → glucose pathway. (b) What is the net gain/loss of ATP for one round of the Cori cycle (glucose → lactate → glucose)?arrow_forward(a) Starting with one molecule of glucose, how many ATPs are produced during (I) aerobic and (II) anaerobic respiration? (b) In chemiosmotic (oxidative) phosphorylation, what is the most direct source of energy that is used to convert ADP + Pi to ATP and what the driving force for the ATP formation through ATP synthase?arrow_forward
- Write a one-sentence explanation for each of the following statements. (a) When the charge index is 1, the cell will not proceed for glycolysis. (b) Glycolysis evolved earlier than photosynthetic organisms. (c) Gluconcogenesis is not a reversal of glycolysis.arrow_forwardThe function of the citric acid cycle is to (a) produce energy during periods of active muscle contraction. (b) break six-carbon chains into three-carbon fragments. (c) prepare the glucose molecule for further reactions. (d) remove hydrogen atoms from organic molecules and transfer them to coenzymes.arrow_forwardThe two main goals of the citric acid cycle are: (a) citrate synthesis and gluconeogenesis (b).degradation of acetyl-CoA to produce energy and supply precursors for anabolism (c).degradation of pyruvate to produce energy and supply precursors for anabolism (d).degradation of glucose to produce energy and supply precursors for anabolism (e).degradation of pyruvate to produce energy and synthesize oxaloacetate for gluconeogenesisarrow_forward
- 11) To which molecule is Glucose broken down in the process of glycolysis? What happens with pyruvate in the presence of oxygen (hint: it will enter a cell organelle to feed into chemical reactions called....) 12) Which molecule carries energy rich electrons from the intermediates of the citric acid cycle to the electron transport chain. NADH 13) Which of the following states (of this electron carrier) carries energy rich electrons: 1) NAD+ 2) NADH? 14) Is oxygen required for aerobic respiration to take place? In which step of aerobic respiration is oxygen required? 15) Define fermentation? 16) Which of the three steps of aerobic respiration can take place in absence of oxygen? 17) What is the fate of pyruvate in absence of oxygen (e.g., when oxygen consumption exceeds oxygen intake during intense exercise)?arrow_forwardThe breakdown of glucose to pyruvate is: (a) glycolysis. (b) gluconeogenesis.(c) cellular respiration. (d) beta-oxidation.arrow_forwardExplain briefly what takes place during (a) glycolysis (b) citric acid cycle and (c) electron transport chain.arrow_forward
- Regarding cellular metabolism, mark the true statements: (a). Electrons from the oxidation of glycolysis are transferred to O2 in the TCA cycle (b).Flow in the citric acid cycle increases when the intracellular ratio [NADH/NAD+] is high (c).In microbial cells, the glyoxylate pathway indirectly allows the conversion of fatty acids into glucose (d).Anaplerotic reactions are enzymatic reactions whose kinetics do not follow the Michaelis-Menten model. (e).Gluconeogenesis is the pathway of glucose production from different precursors, such as glycerol, some amino acids and lactatearrow_forwardThe functioning of a particular pathway often depends not only on control enzymes in that pathway but alsoon control enzymes of other pathways. What happens in the following pathways under the indicated conditions? Suggest what otherpathway or pathways might be influenced.(a) High ATP or NADH concentration and the citric acid cycle.(b) High ATP concentration and glycolysis.(c) High NADPH concentration and the pentose phosphate pathway.(d) High fructose-2,6-bisphosphate concentration and gluconeo genesis.arrow_forwardHow does each of the following regulate citric acid cycle?(a) High levels of Succinyl-CoA(b) High levels of ADP(c) High levels of NADHarrow_forward
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Anaerobic Respiration; Author: Bozeman Science;https://www.youtube.com/watch?v=cDC29iBxb3w;License: Standard YouTube License, CC-BY