Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
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Textbook Question
Chapter 8, Problem 8.3CC
How are carrier proteins and channel proteins similar? How do they differ? Consider both structure and mechanism.
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Chapter 8 Solutions
Becker's World of the Cell (9th Edition)
Ch. 8 - What is the difference between the concentration...Ch. 8 - Prob. 8.2CCCh. 8 - A researcher is studying a fern that is shown to...Ch. 8 - How are carrier proteins and channel proteins...Ch. 8 - How would you determine whether a specific...Ch. 8 - Both the Na+/glucose symporter and the Na+/K+ pump...Ch. 8 - You are studying the energetics of transport of...Ch. 8 - True or False? Indicate whether each of the...Ch. 8 - Telling Them Apart. From the following list of...Ch. 8 - Mechanisms of Transport. For each of the following...
Ch. 8 - Prob. 8.4PSCh. 8 - Prob. 8.5PSCh. 8 - Prob. 8.6PSCh. 8 - QUANTITATIVE Sodium Ion Transport. A marine...Ch. 8 - Prob. 8.8PSCh. 8 - Prob. 8.9PSCh. 8 - QUANTITATIVE The Calcium Pump of the Sarcoplasmic...Ch. 8 - Inverted Vesicles. An important advance in...Ch. 8 - Ouabain Inhibition. Ouabain is a specific...
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- List two ways that channels differ from transporters? What type of molecules do channels usually transport?arrow_forwardThe transmembrane segments of most integral membrane proteins are made of alpha -helical secondary structures. What is the advantage of this conformation ? How do multiple alpha-helices arrange themselves to form the aqueous pore of an ion channel ?arrow_forwarda) (i) Give THREE (3) amino acids that most likely can be located in the part of the trans- membrane protein that lies within the cell membrane. Explain why. (ii)Give THREE (3) amino acids that most likely can be located in the part of the transmembrane protein that lies outside the cell membrane. Explain why.arrow_forward
- Membrane channels and carriers both show changes in protein conformation. What is the role of such conformation changes in: (1) channels, and (2) carriers?arrow_forward21. Which protein structure is most consistent for the hydropathy graph of the intrinsic membrane protein shown below? +168 F +84 -84 -168 20 100 200 300 First amino acid in window A) A seven-helix serpentine receptor B) A Type I integral membrane protein C) A Type Il integral membrane protein D) A GPI-anchored protein E) A beta-barrel protein with about 10 membrane-spanning strands. Hydropathy index (kJ mol-1)arrow_forwardHow are the ER and Golgi involved in membrane creation? (Think about lipid synthesis and distribution). What are the characteristics of Sphingolipid and cholesterol in the membrane? What does it do to the membrane? Explain raft formation.arrow_forward
- Based on the UCP1 protein structure and the figure above, what are the likely chemical properties of the amino acids that are found inside the transmembrane domains of UCP1, and that are oriented towards the passing H+ (i.e., inside of the channel's opening)? Question 13 options: a) They are hydrophobic/polar b) They are hydrophobic/non-polar c) They are hydrophilic/polar d) They are hydrophilic/non-polar e) None of the abovearrow_forwardDescribe the difference between carrier proteins and channel proteins. What is required for the passive transport of molecules through these membrane proteins?arrow_forwardWhat are the functional types of transmembrane proteins? Give an example for each. Elaborate on your examples.arrow_forward
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The Cell Membrane; Author: The Organic Chemistry Tutor;https://www.youtube.com/watch?v=AsffT7XIXbA;License: Standard youtube license