Choose from the dropdown menu, the description that best matches each of the componentsshown.AseCD.[ Select ]A:multipass transmembrane proteinphospholipid polar headssingle pass transmembrane proteinB:peripheral membrane proteinlipid-anchored proteinC: ( Select ]D: [ Select ]E: [ Select ]MacBook AirB

The plasma membrane, also known as the cell membrane, is the membrane that divides the inside of the…

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Biochemistry

9th Edition

ISBN:9781319114671

Author:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Publisher:Lubert Stryer, Jeremy M. Berg, John L. Tymoczko, Gregory J. Gatto Jr.

Chapter1: Biochemistry: An Evolving Science

Section: Chapter Questions

Problem 1P

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Similar questions

Name the three groups into which membrane-associated proteins may be classified. Explain the mechanism by which each group associates with a biomembrane.
8) Indicate which of the five major types of membrane protein (adhesion, enzymatic, recognition, receptor, and transport) is most likely to be involved in each of the situations described below: a) An oncologist wants to study the cells from a certain tumour that has been surgically removed from a patient. However, she must first treat the tumour with a solution affects a membrane protein on the tumour cells. Because of the effect of the solution on the membrane protein, the tumour tissue falls apart into individual cells. Type of membrane protein: b) Farmer Jebediah wakes up in the morning and makes himself an extra-strong coffee. The caffeine in the coffee attaches to a protein in the plasma membrane of his neurons, inducing a signal transduction cascade and causing Farmer Jebediah to be more alert Type of membrane protein:
1. Integral and peripheral membrane proteins employ multiple strategies to keep them associated to a biological membrane. View these three proteins below, and for each protein shown, answer the following questions: A) What type of membrane protein is this? Integral, peripheral, monotopic, polytopic? How do you know? Justify your label by features of the protein shown in the image. B) Describe the overall tertiary structure of each protein. Be certain to mention hydrophilicity/hydrophobicity of the surfaces of this protein. C) Provide a detailed description of how each protein is held associated to the biological membrane. Protein 2 Protein 3 Protein 1 "H,N. Exterior Cytosol
The amino acid of a transmembrane protein was analyzed with a hydrophobicity (Kite-Doolittle) plot as shown below. Based on the graph on the left below how many times does the protein predicted pass through the membrane? TIBS 15-MARCH 1990 RVMV. Raw format file: RVMV. Protein Length: 318 Check: 7395 4. RVMV. Raw format file: RVMV. Protein Length: 318 Check: 7395 3 3 2- 2 -2- --3 -2 50 100 150 200 250 300 50 100 150 200 250 300 Residue Number Residue Number Figure 2 Figure 4 The Kyte-Doolittle (KD)12 hydrophobicity plot (w 9) of the M-chain of Rsp. viridis. The Sieved-Kyte-Doolittle (SKD)* hydrophobicity plot (w = 9) of the M-chain of Rsp. viridis. 1 time 3 time 5 times 7 times Other Mesh Sieved
The cytoplasm of a certain cell is composed of a solution that is 98% water, 2% solutes. Consider the solution shown in the beaker in this picture: FOOE OOS Foor solution. [Select] Cytoplasm is 98% water, 2% solutes. The solution in the beaker would be considered when compared to [Select] The plasma membrane is impermeable to solutes. Beaker solution is 98% water, 2% solutes the cell. We would expect that the cell would [Select] if it was placed in the would account for whatever changes might occur to the volume of the cytoplasm of the cell when it is placed in the solution.
Explain why the structure of the plasma membrane is considered to be a fluid-mosaic model. Also explain how the type of phospholipid will effect the membrane fluidity. Be detailed in your response. Include a minimum of one citation. Follow APA format guidelines for both in-text citations and full citation
The following image is based on real results from an influential experiment in cell biology. This experiment studied the role of the proteins Ran and importin in nuclear protein transport. The experiment used flourescently-labeled proteins containing a nuclear localization sequence (the "substrate"). Ran, importin, and GTP were either present or absent, as indicated in the figure. Cells were exposed to these different conditions and then analyzed by fluorescence microscopy. Circles are the cells' nuclei. Very light circles are the nuclei without the substrate attached. Study the figure below and then answer the questions that follow. 1. What actions does Ran perform by itself? 2. What actions does importin perform by itself? 3. How do Ran and importin act together in the nuclear import of protein? 4. Why is GTP required?
Which of the following describes the fluid mosaic model of the plasma membrane structure? a. The lipid bilayer is solid at body temperature, thus protecting the cell. b. The phospholipid bilayer is embedded with associated proteins, cholesterol and sugars and has a dynamic arrangement. c. The plasma membrane is composed of two layers of proteins embedded with lipids. d. Phospholipids consist of a polar head and a nonpolar tail made of three fatty acid chains
Where is the KV1.1 (a membrane protein) polypeptide synthesized in the cell? (word bank: cytoplasm, nucleus, rough ER, smooth ER, mitochondria) The amino acids that line the outside of the KV1.1 protein (i.e., those in contact with the phospholipid bilayer's fatty acids tails) are more likely to be _______(word bank: hydrophobic, hydrophilic) The KV1.1 protein utilizes __ transport to move the K+ ions across the membrane. (word bank: active, passive) This disease can be caused by missense mutations. In general, how specifically would a missense mutation affect the KV1.1 protein?
Identify how each of the following would pass through the plasma membrane: gases, large polar molecules, charged molecules (like ions), hydrophobic molecules, and small polar molecules. Be specific.
In the "fluid " _______ cell membrane model, lipids are organized in a ________ arrangement, such that _______ portions of the lipids are exposed to either the interior or exterior of the cell, while the lipid portions are sandwiched in the middle of the membrane. As part of the cell membrane, a main function of peripheral proteins is to provide _________ , while a main function of proteins is to provide _________ . Other cell membrane molecules include a compound called __________, which functions to provide fluidity to rigid membranes and rigidity to fluid membranes; and surface carbohydrates, which function in the membrane not to provide energy, but instead to provide _________ _____ . Aminophospholipids (including PE and ) move to the inner leaflet of the membrane, by an enzyme known as the ._______ A main function of the cell membrane is to be very selective as to what is able to cross through, a condition known as a barrier.
a. integral memebrane protein that crosses membrane multiple time b. lipid-linked membrane proteins c. peripheral memebrane protein d. integral memebrane protein that crosses membrane ince

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