BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 7, Problem 15SA
Match the terms with the best description.
| ___ mitochondrial matrix | a. needed for glycolysis |
| ___ pyruvate | b. inner gel |
| ___
|
c. makes many ATP |
| ___ mitochondrion | d. product of glycolysis |
| ___
|
e. reduced coenzyme |
| ___ anaerobic | f. no oxygen required |
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During aerobic respiration, high energy electrons are taken from glucose and transferred to electron carriers. The cell then uses the energy from these electrons to:
A) pump hydrogen ions across the inner mitochondrial membrane
B) produce oxygen
C) produce carbon dioxide
D) make glucose
E) reduce electron carriers
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.
Match the term with the best description. ____ mitochondrial matrix a. needed for glycolysis ____ pyruvate b. inner space ____ NAD+ c. makes many ATP ____ mitochondrion d. product of glycolysis ____ NADH e. reduced coenzyme ____ anaerobic f. no oxygen required
Chapter 7 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 7 - Is the following statement true or false? Unlike...Ch. 7 - Glycolysis starts and ends in the ________. a....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. 6SACh. 7 - After the citric acid cycle reactions run...Ch. 7 - Prob. 8SACh. 7 - Prob. 9SACh. 7 - Prob. 10SA
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- When electrons flow along the electron transport chains of mitochondria, which of the following changes occurs? Group of answer choices A. ATP synthase pumps protons by active transport B. The pH of the matrix increases C. The electrons gain free energy D. The cytochromes phosphorylate ADP to form ATParrow_forwardWhich statement about the ETC is/are FALSE? A. Cytochrome c is freely moving and faces the mitochondrial matrix B. The four respiratory complexes move within the mitochondrial membrane C. CoQ & cytochrome c are not part of the complex but are e- carriers D. CoQ is freely moving within the hydrophilic part of the lipid component of the membranearrow_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
- Which of the following statements is TRUE of the electron transport chain (ETC)? A. The movement of electrons down the ETC drives the formation of a proton (H+) gradient. B. The movement of H+ ions through ATP synthase drives the transfer of electrons down the ETC. C. The movement of electrons down the ETC drives the movement of ADP and phosphate through ATP synthase. D. The movement of H+ ions across the inner membrane of the mitochondria drives the transfer of electrons down the ETC.arrow_forwardThe aerobic part of aerobic cellular respiration occurs during (a) glycolysis (b) the conversion of pyruvate to acetyl CoA (c) the citric acid cycle (d) electron transport (e) all the preceding are aerobic processesarrow_forwardWhy are electron carriers (NAD+/NADH and FAD/FADH2) so important in the process of cellular respiration? A)NADH and FADH2 are major components of the ETC, so without them, there would be no ETC in the cell. B)They deliver electrons to the ETC, which in turn sets up chemiosmosis, where most of the ATP is generated. C)They separate the electrons from the protons so that the protons can be moved out of the mitochondrion. D)The electrons that they carry are able to directly phosphorylate ADP in order to generate the bulk of ATP in the cell. E) They transport protons across the mitochondrial membrane. 14.arrow_forward
- If glucose was no longer available, electron transport activity chain would: a. decrease b. increase c. remain the samearrow_forwardWhen 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%)arrow_forwardWhich of the following statements is true? A. The citric acid cycle occurs in the mitochondria matrix B. The citric acid cycle occurs in the cytosol C. Electron transport chain and ATP synthase are in the cytosol D. Oxidative phosphorylation occurs in the mitochondria matrixarrow_forward
- The reduction of NAD+ producesa. acetyl CoA.b. pyruvate.c. NADH.d. oxygen gas.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_forwardThe electrons carried by NADH and FADH2 can be a. pumped into the intermembrane space. b. transferred to the ATP synthase. c. moved between proteins in the inner membrane of the mitochondrion. d. transported into the matrix of the mitochondrionarrow_forward
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