Microbiology Fundamentals: A Clinical Approach
3rd Edition
ISBN: 9781259709227
Author: Marjorie Kelly Cowan Professor, Heidi Smith
Publisher: McGraw-Hill Education
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Chapter 7, Problem 6Q
Summary Introduction
To explain:
why electron transport system is located in the membrane.
Concept introduction:
The series of complex reactions involving the transfer of the electrons across the membrane is called Electron transport system or chain (ETS or ETC). This process occurs in the presence of oxygen.
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explain the relationship between the following structures (cell cytoplasm, mitochondria, krebs-cycle, electron transport chain).
The creation of the H+ gradient in the mitochondria that powers ATP synthase is an example of:
a)Diffusion
b)Passive Transport
c)Active Transport
Explain where the enzymes for Electron Transport are located in bacteria (prokaryotes)
if they don’t have internal membranes.
Chapter 7 Solutions
Microbiology Fundamentals: A Clinical Approach
Ch. 7.1 - Describe the relationship among metabolism,...Ch. 7.1 - Fully describe the structure and function of...Ch. 7.1 - Differentiate between constitutive and regulated...Ch. 7.1 - Diagram four major patterns of metabolic pathways.Ch. 7.1 - Describe how enzymes are controlled.Ch. 7.1 - NCLEX PREP 2. An enzyme that catalyzes starch is...Ch. 7.2 - Name the chemical in which energy is stored in...Ch. 7.2 - Create a general diagram of a redox reaction.Ch. 7.2 - Identify electron carriers used by cells.Ch. 7.2 - Prob. 3NP
Ch. 7.3 - Name the three main catabolic pathways and the...Ch. 7.3 - Construct a paragraph summarizing glycolysis.Ch. 7.3 - Describe the Krebs cycle, with emphasis on what...Ch. 7.3 - Discuss the significance of the electron transport...Ch. 7.3 - State two ways in which anaerobic respiration...Ch. 7.3 - Summarize the steps of microbial fermentation, and...Ch. 7.3 - Describe how noncarbohydrate compounds are...Ch. 7.3 - Q. From this information, can you identify another...Ch. 7.4 - Prob. 16AYPCh. 7.4 - Define amphibolism.Ch. 7.4 - Prob. 2MMCh. 7 - NCLEX PREP 1. Which of the following is/are...Ch. 7 - Prob. 1QCh. 7 - Prob. 2QCh. 7 - Prob. 3QCh. 7 - Prob. 4QCh. 7 - Prob. 5QCh. 7 - Prob. 6QCh. 7 - Prob. 7QCh. 7 - Prob. 8QCh. 7 - Prob. 9QCh. 7 - Prob. 10QCh. 7 - Prob. 11QCh. 7 - Prob. 12QCh. 7 - Prob. 13QCh. 7 - Prob. 14QCh. 7 - Prob. 15QCh. 7 - Prob. 16QCh. 7 - Defend this statement: Microbes (and their...Ch. 7 - Prob. 18QCh. 7 - Prob. 19QCh. 7 - Prob. 20QCh. 7 - Polymerase chain reaction (PCR) is a lab...Ch. 7 - From chapter 3, figure 3.15. On these depictions...
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- Describe the role of each of the membrane proteins shown in the picture below. Think about what is happening to the electrons and describe how energy is transformed as electrons move along the chain. Part of this involves the formation of the proton gradient. The other part is the explanation of the energetics of electron transport that you investigated above. In other words, the reason that electrons always flow from complex I to complex III to complex IV to oxygen.arrow_forwardExplain in detail the concept of cyclic electron transport.arrow_forwardDefine electron-transport chainarrow_forward
- Where in mitochondria does electron transfer phosphorylation occur? Inner membrane Matrix Intermembrane space Outer membranearrow_forwardDescribe what is happening in each step of the electron transport chain. Complex I Complex II Q Complex III Cyt c Complex IVarrow_forwardExplain why compounds such as cyanide that disrupt the electron transport chain are poisonsarrow_forward
- Energy is required to reverse the flow of the electron transport chain. Why would this be so?arrow_forwardWhat is the location of electron transport complexes in eukaryotes ? cytosol inner mitochondrial membraneouter mitochondrial membrane.mitochondrial matrix. plasma membrane.arrow_forwardIf you added a protonophore (a substance that makes membranes leaky for protons) to mitochondria, what would happen to the amount of ATP produced? a) More ATP because a leaky inner membrane will allow more protons to diffuse across the membrane. b) More ATP because a leaky outer membrane will allow more protons to diffuse across the membrane. c) Less ATP since protons must accumulate in the inner membrane space in order to produce ATP. d) Less ATP since electrons must accumulate in the inner membrane space in order to produce ATP. e) No change in ATP production would occurarrow_forward
- Explain the process of electron transfer phosphorylationarrow_forwardDescribe how the movement of electrons along the electron transport chain leads to the generation of a proton gradient.arrow_forwardCyanide inhibits cytochrome c oxidase, a component of the electron transport chain. If cyanide poisoning occurs, would you expect the pH of the intermembrane space to increase or decrease? What effect would cyanide have on ATP synthesis?arrow_forward
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