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 7, Problem 7.4CC
Proteins can be attached to the membrane in a variety of ways. How does the mode of attachment relate to their function?
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Which of the following statements is true of membrane proteins?
a) They are suspended on the surface of the membrane.
b) They are partly embedded in the bilayer
c) They span across the bilayer and project from both sides
d) Any of these are true, depending on the specific membrane protein.
What are the multiple membrane proteins? Describe each of their function.
What is the function of Peripheral membrane proteins?
Chapter 7 Solutions
Becker's World of the Cell (9th Edition)
Ch. 7 - Which functions of a membrane would be compromised...Ch. 7 - Which of the three historical strands forming...Ch. 7 - Lipids form the fluid part of the fluid mosaic...Ch. 7 - A researcher has carried out a PAGE experiment to...Ch. 7 - Proteins can be attached to the membrane in a...Ch. 7 - Functions of Membranes. For each of the following...Ch. 7 - Elucidation of Membrane Structure. Each of the...Ch. 7 - Wrong Again. For each of the following false...Ch. 7 - QUANTITATIVE Gorter and Grendel Revisited. Gorter...Ch. 7 - Prob. 7.5PS
Ch. 7 - QUANTITATIVE Thats About the Size of It. From...Ch. 7 - Temperature and Membrane Composition. Which of the...Ch. 7 - Membrane Fluidity and Temperature. The effects of...Ch. 7 - The Little Bacterium That Cant. Acholeplasma...Ch. 7 - Hydropathy: The Plot Thickens. A hydropathy plot...Ch. 7 - Problem Set Inside or Outside? From Figure 7-22,...Ch. 7 - Prob. 7.12PS
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- Describe the location and characteristics of integral and peripheral membrane proteins.arrow_forwardWhat type of plasma membrane protein provides the means for moving materials across the plasma membrane? What are three subtypes?arrow_forwardThe figure above shows the organization of a protein that will eventually reside in the plasma membrane. The boxes labeled 1 and 2 represent membrane-spanning sequences and the arrow represents a site of action of signal peptidase. Which of the following statements must be TRUE about this protein? O a) Most of this protein will project from the cytosolic side of the membrane. O b) The mature version of this protein will span the membrane twice. c) This is a multi-pass membrane protein. O d) The mature version of this protein will span the membrane once.arrow_forward
- Consider the amino acids on the image below. Which of the following amino acids would be most likely to be found in the part of an integral membrane protein that is located within the membrane? (Select all answers that apply.) Asparagine (Asn) Lysine (Lys) Phenylalanine (Phe) Valine (Val) Glutamic acid (Glu) Methionine (Met)arrow_forwardIf a membrane protein is described as "integral" what does that word refer to? A) super important; plays a key function B) It is bonded to a non protein molecule like a sugar chain or lipid C) It must be an ID tage/ cell recognition protein D) It is strongly integrated/ embedded into the membrane likely spanning the entire widtharrow_forwardwhere is Peripheral membrane protein made and how does it transfer to the membrane?arrow_forward
- Define the term transmembrane proteins?arrow_forwardThe integral membrane protein XYZR has a single alpha helix spanning the membrane. Where was this protein made and what can you say about amino acids that occur/do not occur in the alpha helix versus the domains sticking out on both sides of the membrane?arrow_forwardDistinguish between integral and peripheral membrane proteins.arrow_forward
- What four components are required for the translocation of proteins across the endoplasmic reticulum membrane?arrow_forwardDescribe the various types of specialized domains that can be established in the plasma membrane? what is the general consequence of these domains (ie why form them )?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
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