Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 33, Problem 9TYU
Summary Introduction

To explain:

The reason as to why the damaged keratin protein cannot be replaced by the shampoo containing the same protein.

Introduction:

Keratin is a protein that forms the nails and hairs and outer layer of skin in abundance in humans. It is a fibrous structural protein. In other animals it forms the hoofs claws and horns like in ruminants. It is an extremely tough protein and is insoluble in organic solvents and water. It protects the underlying epithelial cells from the damage or stress. Next protein that is as tough as keratin is chitin.

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