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 4.2, Problem 2TQ
Summary Introduction
To review:
The transporter other than an antiporter that could produce electroneutral coupled transport.
Introduction:
In order to achieve the transportation of molecules across the cell membrane under an active transport, the energy of one chemical gradient is exchanged with that of another. The positively charged ions are the randomly used chemical gradients. A decrease in the concentration of such ions across a membrane leads to the release of energy. The released energy is used by several transport proteins, which then carry out the transportation of other molecules against the concentration gradient. This process is frequently referred to as coupled transport.
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Chapter 4 Solutions
Microbiology: An Evolving Science (Fourth Edition)
Ch. 4.1 - Prob. 1TQCh. 4.2 - Prob. 1TQCh. 4.2 - Prob. 2TQCh. 4.3 - Prob. 1TQCh. 4.3 - Prob. 2TQCh. 4.3 - Prob. 3TQCh. 4.3 - Prob. 4TQCh. 4.4 - Prob. 1TQCh. 4.4 - Prob. 2TQCh. 4.4 - Prob. 3TQ
Ch. 4.4 - Prob. 4TQCh. 4.4 - Prob. 5TQCh. 4.4 - Prob. 6TQCh. 4.4 - Prob. 7TQCh. 4.4 - Prob. 8TQCh. 4.6 - Prob. 1TQCh. 4 - Prob. 1RQCh. 4 - Prob. 2RQCh. 4 - Prob. 3RQCh. 4 - Prob. 4RQCh. 4 - Prob. 5RQCh. 4 - Prob. 6RQCh. 4 - Prob. 7RQCh. 4 - Prob. 8RQCh. 4 - Prob. 9RQCh. 4 - Prob. 1TQCh. 4 - Prob. 2TQCh. 4 - Prob. 3TQCh. 4 - Prob. 4TQCh. 4 - Prob. 5TQCh. 4 - Prob. 6TQCh. 4 - Prob. 7TQ
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- List the means of unassisted membrane transport.arrow_forwardWhy is cytosolic K+ highly concentrated when the extracellular K+ concentration is low even though K+ flow freely through leak channels?arrow_forwardWhat does a drawing/diagram look like for active transport (pumps) using H+ ions?arrow_forward
- How does Na+/K+ ATPase/Pump promote osmosis across plasma membrane? How does it establish the basal metabolic rate? Lastly, what does it mean when the pump self-phosphorylates during transportation?arrow_forwardWhat are the materials transported and the cell membrane structure involved in Secondary Active Transport?arrow_forwardWhat is the mechanism for lipid transport in ATP-binding cassette transport proteins?arrow_forward
- What are the materials transported and the cell membrane structure involved in Primary Active Transport?arrow_forwardWhat is the difference of transport processes for glucose in bacteria and eukaryotes? What are the pathways and enzymes involved?arrow_forwardWhy do cells lack membrane transport proteins that are specific for the movement of Oxygen?arrow_forward
- What is the immediate energy source for active transport?arrow_forward. Please describe the transportation of glucose after a meal when glucose is plentifuloutside cells? How is the transport protein that would transport glucose called? Whatwould be the direction of transportation? Would it be active or passive transport? Whatwould be driving force for the glucose transport: chemical gradient or electrochemicalgradient?arrow_forwardWhat is phosphate transporter?arrow_forward
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