Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 14.3, Problem 3TQ
Summary Introduction
To review:
The growth of E. coli in the presence of an uncoupler that removes the proton potential supporting ATP synthesis.
Introduction:
Uncoupler is an agent that separates connected or combined
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What are two different ways that cytochrome oxidase contributes to the proton gradient?
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Name a high energy phosphate compound capable of substrate level phosphorylation?
Chapter 14 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 14.1 - Prob. 1TQCh. 14.1 - Prob. 2TQCh. 14.2 - Prob. 1TQCh. 14.2 - Prob. 2TQCh. 14.2 - Prob. 3TQCh. 14.3 - Prob. 1TQCh. 14.3 - Prob. 2TQCh. 14.3 - Prob. 3TQCh. 14.4 - Prob. 1TQCh. 14.5 - Prob. 1TQ
Ch. 14.5 - Prob. 2TQCh. 14.6 - Prob. 1TQCh. 14 - Prob. 1RQCh. 14 - Prob. 2RQCh. 14 - Prob. 3RQCh. 14 - Prob. 4RQCh. 14 - Prob. 5RQCh. 14 - Prob. 6RQCh. 14 - Prob. 7RQCh. 14 - Prob. 8RQCh. 14 - Prob. 9RQCh. 14 - Prob. 10RQCh. 14 - Prob. 11RQCh. 14 - Prob. 1TQCh. 14 - Prob. 2TQCh. 14 - Prob. 3TQCh. 14 - Prob. 4TQ
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- Each of the following complexes pumps protons out of the matrix to generate the proton gradient except A) complex I. B) complex II. C) complex III. D) complex IV. E) coenzyme Qarrow_forwardYou are attempting to create an E. coli mutant that lacks the enzyme to convert 1,3- Bisphosphoglycerate into 3-Phosphoglycerate. Normally you grow your E. coli in a medium with glucose as its only carbon source. What other compound would you need to add to your normal medium in order to allow your mutant E. coli to grow? Pentose phosphate cycle Pentose phosphate Sedobestudose 2 phosphate Enthrise-4phosphate Glyceraldehyde 3phosphate Fructose Erythrose Glycolysis Glucose phosphate Fructose-6-phosphate Fructose 1.6 diphosphate Glyceraldehyde-3-phosphate Dihydroxyacetone phosphate 1,30iphosphoglycerate 3Phosphoglycerate Dynwate 2Phosphoglycerate Phosphomolywate Acetyl coenzyme A- Crate Isocrate 20 Oxaloacetate, TCA cycle Fumarate Succinate You don't need to add a second carbon source for your mutant to grow Pyruvate Succinyl coenzyme Aarrow_forwardDefine the term substrate-level phosphorylation:How does it differ from oxidative phosphorylation?What compound(s) do fermentative bacteria need tosynthesize in order to make ATP by substrate-levelphosphorylation?arrow_forward
- The first half of the Q cycle results in which of the following? Please make each of the following wrong answers correct: A) transfer of 4 protons to the intermembrane space B) 2 molecules of reduced cytochrome c C) Return of one UGH2 to the coenzyme Q poolarrow_forwardDescribe the following through Venn diagram a) Alcohol fermentation and Lactate fermentation. b) DNA polymerase and RNA polymerase c) Active site and allosteric sitearrow_forwardHow does the proton motive force lead to production of ATP? A) ATPase requires one proton to make one ATP. B) Protons must be pumped against a concentration gradient from outside of the cell into the cell to rotate the F0 subunit of ATPase for the F1 subunit to make ATP. C) Oxidative phosphorylation of ADP by ATP synthase requires protons as cofactors in the reaction. D) Translocation of three to four protons drives the F0 component of ATPase, which in turn phosphorylates one ADP into ATP.arrow_forward
- Chemolithotrophs meet their energy needs by oxidizing organic food molecules. True False Which of the following events does not occur during the energy-investment phase of glycolysis? Hexokinase catalyzes the transfer of a phosphate group from ATP to glucose to form glucose-6-phosphate. Phosphofructokinase catalyzes the isomerization of glucose-6-phosphate to fructose-6-phosphate. Fructose-bisphosphate aldolase cleaves Fructose-1,6-bisphosphate into two different three-carbon sugars. Dihydroxyacetone phosphate can be converted to glyceraldehyde-3-phosphate with the help of the enzyme triose phosphate isomerase.arrow_forwardIs malonate may decrease or increase the efficiency of cells to produce ATP?arrow_forwardPhotosynthesis and aerobic cellular respiration both rely on electron transport chains to generate ATP. Which of the following does not correctly identify similarities and differences in the ETCs of these processes? a) Electrons delivered to the ETC are used to generate a proton gradient across the membrane b) In photosynthesis, the facilitated diffusion of protons across the membrane generates ATP and glucose molecules; in cellular respiration, this process generates ATP c) In photosynthesis, electrons are delivered to the ETC by NADPH; in cellular respiration, electrons are delivered to the ETC by NADH and FADH2 d) In prokaryotes, active transport moves protons across the cell’s plasma membrane during photosynthesis and cellular respirationarrow_forward
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