Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Chapter 7, Problem 14SQ
Summary Introduction
To match: The reactions with the events.
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Match the reactions with the events. _____ glycolysis a. ATP, NADH, FADH2, _____ fermentation and CO2 form _____ citric acid cycle b. glucose to two pyruvate _____ electron transfer c. NAD+ regenerated, little ATP phosphorylation d. H+ flow via ATP synthases
When unlimited energy (glucose = 100 and fat = 100) is available and pyruvate processing is inhibited (100%), the electron transport chain (ETC) runs at a _________ rate.
a,Low (1 - 30%)
b, Stops (1% or less)
c, Moderate (31 - 70%)
d, High (71 - 100%)
Which of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.
Chapter 7 Solutions
Biology: The Unity and Diversity of Life
Ch. 7 - Prob. 1DAACh. 7 - Prob. 2DAACh. 7 - Prob. 3DAACh. 7 - Is the following statement true or false? Unlike...Ch. 7 - Glycolysis starts and ends in the ___. a. nucleus...Ch. 7 - Which of the following pathways requires molecular...Ch. 7 - Which molecule does not form during glycolysis? a....Ch. 7 - In eukaryotes, the final reactions of aerobic...Ch. 7 - Prob. 6SQCh. 7 - Prob. 7SQ
Ch. 7 - Most of the energy that aerobic respiration...Ch. 7 - Put the following pathways in the order they occur...Ch. 7 - Which of the following is not produced by an...Ch. 7 - Prob. 11SQCh. 7 - Prob. 12SQCh. 7 - Which of the following molecules can be oxidized...Ch. 7 - Prob. 14SQCh. 7 - Match the term with the best description. _____...Ch. 7 - Prob. 1CTCh. 7 - Prob. 2CT
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- The final net products of ________ are 2 molecules of ATP and 2 NADH. a. pyruvate oxidation b. the citric acid cycle c. glycolysisarrow_forwardand incorporated inside a molecule. Which? a) ATP beautiful c) pyruvate d) carbon dioxide 8- A) What process is typical of a cellular respiration transition reaction? B) What process takes place in the cytoplasm? a) A: pyruvate converted to acetyl-CoA B: glycolysis b) A: production of citric acid B: glycolysis c) A: glucose converted into two molecules of pyruvate B: electron transport chain d) A: production of water from oxygen (O2) B: Krebs cyclearrow_forwardI have a biology, question: In aerobic respiration, energy is harvested from glucose molecules in a sequence of four major pathways. Which of the following is NOT one of these four major pathways? a. Citric acid cycle b. Pyruvate oxidation c. Glycolysis d. Beta oxidationarrow_forward
- Why is oxygen important in aerobic cellular respiration? a. Without oxygen, the Citric acid cycle will be disrupted b. Oxygen is the final electron acceptor during the electron transport chain c. they produce carbon dioxide and water d. It provides electrons during cellular respirationarrow_forwardNAD+ is regenerated duringa. glycolysis.b. fermentation.c. the Krebs cycle.d. the formation of acetyl-CoA.arrow_forwardWhich of the following reactions is the most exergonic? a Conversion of PEP to Pyruvate b Conversion of Glucose-6-phosphate to Glucose c All of the reactions are equally exergonic. d Hydrolysis of ATParrow_forward
- In aerobic respiration when is carbon dioxide produced? (a) when oxygen is used as the final electron acceptor in oxidative phosphorylation (b) glycolysis (c) during substrate level phosphorylation (d) Krebs cycle (e) when hydrogen is pumped across the inner membrane of the mitochondriaarrow_forwardWhich of these statements is true? a.Glycolysis is the process that builds glucose. b. Cellular respiration requires light to complete the process c. Lactic acid fermentation provides energy when oxygen is present. d. Carbon dioxide is produced during respiration.arrow_forwardChoose the best answer for following question. Which of these is not true of the electron transport chain?a. The electron transport chain is located on the cristae of themitochindria.b. The electron transport chain produces more NADH than anymetabolic pathway.c. The electron transport chain contains cytochrome molecules.d. The electron transport chain ends when oxygen acceptselectrons.arrow_forward
- Cancer tumors remodel cellular respiration and behave very differently than normal cells. Let’s say you were going to try and kill cancer cells by blocking their metabolism. What process would you try and block? A. Citric acid cycle B. Glucose transport C. ATP synthase D. Pyruvate dehydrogenase complexarrow_forwardSix-carbon Glucose is completely oxidized to CO2 and H2O during respiratory metabolism. When do these "decarboxylation" reactions occur? A. First five steps of glycolysis B. Last five steps of glycolysis C. Pyruvate Oxidation D. Citric Acid/Krebs Cycle E. Both C and D abovearrow_forwardFermentation only generates _________ net ATP per glucose molecule and goes through both _________________ and the _________________. Select one: a.2 / conversion of pyruvate into a waste product / Citric Acid Cycle b.4 / Glycolysis / Electron Transport Chain c.2 / Glycolysis / Citric Acid Cycle d.None of the Above e.2 / Glycolysis / Transition Reactionarrow_forward
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