11. Treatment of disrupted erythrocyte membranes with a concentrated salt solution released an unknownmembrane protein, X. Proteolytic enzymes cleaved X into fragments. In additional experiments, intacterythrocytes were treated with proteolytic enzymes, washed, then disrupted. Extraction of membranecomponents yielded intact X. What do these observations indicate about the location of X in the plasmamembrane? Do the properties of X resemble those of an integral membrane protein or a peripheralmembrane protein?

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Answered: 11. Treatment of disrupted erythrocyte…

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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25. Diagram the appearance of one Elodea cell (1) mounted in water, and (2) mounted in salt solution normal (1) plasmolyZed (2)
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
Which control antibody can differentiate between plasma membrane and mitochondrial membrane?
23
5. Intravenous solutions must be prepared, to that they are isotonic to red blood cells. A0.9% salt solution is isotonic to red blood cells. Keeping this in mind, explain whatwould happen to a red blood cell placed into a solution of 99.3% water and 0.7% salt.Note to obtain full marks you must care both the intercellular environment to theextracellular environment (solute vs solvent).
1-what are the largest element of the cytoskeleton and can dynamically grow and shrink by the addition or subtraction of tubulin subunits. 2-Many less dynamic, more permanent cellular structures such as the nuclear lamina have (????) as the major cytoskeletal component Microtubules Intermediate filaments Microfilaments 3-when a ligand binds a (????) the conformation of the receptor changes, opening a selective pore. GPCR Ligand gated ion channel Ligandase pore Voltage gated ion channel
For a lab on diffusion and osmosis, where a egg yolk was placed in a cup water the following question asks Consider a scenario in which the size of an egg yolk remains unchanged after in water soaking for an hour. What are two possible explanations as to why this occurs? What would two reasons be for the yolk to be unchanged after a hour in water?
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
6. Similarities between Panel A and Panel B And 6. Differences between Panel A and Panel B
14
3. Consider a transmembrane protein that spans the inner nuclear membrane. Suggest a pathway by which such a protein could reach its destination. In your scheme, describe how the proposed mechanism would ensure that specific proteins are stably localized to the inner nuclear membrane whereas others are not.
13 5. Based on what you have learned in this chapter and lab, answer the following question: A 0.9% NaCl solution is isotonic to red blood cells (RBC), it is often called physiological saline. This is often found in IV bags given to patients. What would happen to the red blood cells of a patient if the pharmacist accidentally created a 9% NaCI saline solution? Your answer should use the tonicity vocabulary and a description of what happens to the RBC. 4 Effects of solute concentration on potato core mass

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