Brock Biology of Microorganisms (14th Edition)
14th Edition
ISBN: 9780321897398
Author: Michael T. Madigan, John M. Martinko, Kelly S. Bender, Daniel H. Buckley, David A. Stahl, Thomas Brock
Publisher: PEARSON
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Chapter 2.9, Problem 2MQ
Summary Introduction
The movement molecules through the cell membrane is an important function for transporting of nutrients to the cell. It is carried out actively by transporter systems present in the cell membrane. In prokaryotic life, there are three major transport systems are involved. They are simple transporters, group translocation or phosphotransferase system, and ABC transporters. ABC transporters, the substances are initially bound by a specific protein which then activates ATP hydrolyzing protein and the protein channel to provide energy for transport event through the protein channel
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Chapter 2 Solutions
Brock Biology of Microorganisms (14th Edition)
Ch. 2.1 - Define the terms magnification and resolution.Ch. 2.1 - Prob. 2MQCh. 2.2 - Prob. 1MQCh. 2.2 - Prob. 2MQCh. 2.2 - How can cells be made to fluoresce?Ch. 2.3 - Prob. 1MQCh. 2.3 - Prob. 2MQCh. 2.4 - Prob. 1MQCh. 2.4 - Prob. 2MQCh. 2.5 - How do cocci and rods differ in morphology?
Ch. 2.5 - Prob. 2MQCh. 2.6 - What physical property of cells increases as cells...Ch. 2.6 - How can the small size and haploid genome of...Ch. 2.6 - What are the approximate limits to how small a...Ch. 2.7 - Prob. 1MQCh. 2.7 - Prob. 2MQCh. 2.8 - Prob. 1MQCh. 2.8 - Prob. 2MQCh. 2.9 - Compare and contrast simple transporters, the...Ch. 2.9 - Prob. 2MQCh. 2.10 - Why do bacterial cells need cell walls? Do all...Ch. 2.10 - Prob. 2MQCh. 2.10 - Prob. 3MQCh. 2.11 - Prob. 1MQCh. 2.11 - Prob. 2MQCh. 2.11 - Prob. 3MQCh. 2.11 - Prob. 4MQCh. 2.12 - Prob. 1MQCh. 2.12 - Prob. 2MQCh. 2.12 - Prob. 3MQCh. 2.13 - Prob. 1MQCh. 2.13 - Prob. 2MQCh. 2.14 - Prob. 1MQCh. 2.14 - Chapter Review Why would it be impossible for...Ch. 2.14 - Chapter Review How are magnetosomes and the...Ch. 2.15 - Prob. 1MQCh. 2.15 - Prob. 2MQCh. 2.16 - Prob. 1MQCh. 2.16 - Prob. 2MQCh. 2.16 - Prob. 3MQCh. 2.17 - Prob. 1MQCh. 2.17 - Prob. 2MQCh. 2.18 - Prob. 1MQCh. 2.18 - Prob. 2MQCh. 2.19 - Prob. 1MQCh. 2.19 - Prob. 2MQCh. 2.19 - Prob. 3MQCh. 2.19 - Chapter Review How does scotophobotaxis differ...Ch. 2.20 - Prob. 1MQCh. 2.20 - Prob. 2MQCh. 2.20 - Prob. 3MQCh. 2.21 - Prob. 1MQCh. 2.21 - Prob. 2MQCh. 2.21 - Prob. 3MQCh. 2.22 - Prob. 1MQCh. 2.22 - Prob. 2MQCh. 2.22 - Prob. 3MQCh. 2 - Prob. 1RQCh. 2 - Prob. 2RQCh. 2 - Prob. 3RQCh. 2 - What are the major morphologies of prokaryotic...Ch. 2 - How large can a bacterium be? How small? Why is it...Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Cells of Escherichia coli transport lactose via...Ch. 2 - Prob. 10RQCh. 2 - List several functions of the outer membrane in...Ch. 2 - Prob. 12RQCh. 2 - Prob. 13RQCh. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - In a few sentences, indicate how the bacterial...Ch. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Contrast the mechanism for motility in...Ch. 2 - Prob. 20RQCh. 2 - Prob. 21RQCh. 2 - List at least three features of eukaryotic cells...Ch. 2 - Prob. 23RQCh. 2 - Prob. 24RQCh. 2 - Prob. 25RQCh. 2 - Describe the major functions of the endoplasmic...Ch. 2 - Prob. 1AQCh. 2 - Prob. 2AQCh. 2 - Assume you are given two cultures, one of a...Ch. 2 - Prob. 4AQCh. 2 - Assume you are given two cultures of rod-shaped...
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- What is phosphate transporter?arrow_forwardWhat are the distinctions between facilitated difussion, primary active transport and secondary active transport?arrow_forwardDiscuss carrier-mediated transport. How could you experimentally distinguish between the different types of carrier-mediated transport?arrow_forward
- Name the three classes of membrane transport proteins. Explain which one or ones of these classes is able to move glucose and which can move bicarbonate (HCO3−) against an electrochemical gradient. In the case of bicarbonate, but not glucose, the ΔG of the transport process has two terms. What are these two terms, and why does the second not apply to glucose? Why are cotransporters often referred to as examples of secondary active transport?arrow_forwardWhat is the purpose of gating in the transport channel?arrow_forwardName the three classes of membrane transport proteins. Explain which one or ones of these classes is able to move glucose and which can move bicarbonate (HCO3 −) against an electrochemical gradient. In the case of bicarbonate, but not glucose, the ΔG of the transport process has two terms.What are these two terms, and why does the second not apply to glucose? Why are cotransporters often referred to as examples of secondary active transport?arrow_forward
- Does active transport move high to low concentration?arrow_forwardCompare and contrast simple transporters, thephosphotransferase system, and ABC transporters in terms of(1) energy source, (2) chemical alterations of the solute duringtransport, and (3) number of proteins requiredarrow_forwardWhat are three types of energy that can power an active transport pump? Provide an example of each type (eg Na/K pump)arrow_forward
- the sodium channel exchanger NCX transports sodium into and calcium out of cardiac muscle cells. Describe why this itransporter is classified as secondary active transport?arrow_forwardWhy is bulk transport important to cells? Among the three types bulk transport of molecules which do you think is most efficient and selective? (T/I)arrow_forwardInhibition of the Na,K-ATPase might reasonably result in which of the following: a.) gradual cellular accumulation of K+ b.) gradual decrease in cytoplasmic Na+ c.) cell shrinkage d.) hyperpolarization of the membrane potential e.) reduced activity of many secondary active transportersarrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license