PRINCIPLES OF LIFE
PRINCIPLES OF LIFE
3rd Edition
ISBN: 9781319017712
Author: HILLIS
Publisher: MAC HIGHER
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Chapter 25.3, Problem 1RA

(a)

Summary Introduction

To explain: The lines shown in the graph.

Introduction: There are different types of hormones present in the plants which help in their development. Auxin is one of the plant hormones which helps in the elongation of plant. It is present in the growing parts of the plant like root and shoots tips.

(b)

Summary Introduction

To explain: The effect of auxin on the curvature.

Introduction: Auxin moves to the shaded portion in the shoot which receives light the shoot, therefore, grows towards the light.

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