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Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter17: Equilibrium

Section: Chapter Questions

Problem 7CR: 7. Describe a buffered solution. Give three examples of buffered solutions. For each of your...

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Concept explainers

Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.

Question

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At the isoelectric point of a protein (select all that apply).
SELECT ALL THAT APPLY

a. the charge on the protein will be neutral.

b. the protein molecules coagulate and precipitate from solution

c. the pH of the solution will ways be less than 7.

d. the pH of the solution will always be greater than 7.

e. the pH of the solution will always be exactly 7.

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