PRINCIPLES OF LIFE
PRINCIPLES OF LIFE
3rd Edition
ISBN: 9781319017712
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 3.4, Problem 2RA
Summary Introduction

To explain: The nature of keratin molecules when the hair is ironed.

Introduction: Hair is made up of a protein called keratin. It is composed of long-chain of sulfur-containing amino acids. The keratin provides strength to the hair.

Summary Introduction

To explain: The manner in which ironing differs from what happens if the hair is chemically treated to make it straight.

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