Biology: The Unity and Diversity of Life (MindTap Course List)
Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 30, Problem 7SQ
Summary Introduction

Concept introduction: The biological clock or circadian clock in the plant body is meant for setting the daily cycle of day and night signals at dawn and dusk. Phytochromes and cryptochromes are the two photoreceptors that are used by plants for gathering information about the light environment for setting the clock.

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