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Life Under the Sun$
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Peter A. Ensminger

Print publication date: 2001

Print ISBN-13: 9780300088045

Published to Yale Scholarship Online: October 2013

DOI: 10.12987/yale/9780300088045.001.0001

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PRINTED FROM YALE SCHOLARSHIP ONLINE (www.yale.universitypressscholarship.com). (c) Copyright Yale University Press, 2021. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in YSO for personal use.date: 24 September 2021

Too Much of a Good Thing

Too Much of a Good Thing

Chapter:
(p.173) 15 Too Much of a Good Thing
Source:
Life Under the Sun
Author(s):

Pete A. Ensminger

Publisher:
Yale University Press
DOI:10.12987/yale/9780300088045.003.0016

This chapter describes photosynthesis in plants as a mechanism for putting energy into food chains. This chapter also presents the impact of excess light, producing photo-oxidative stress in plants, resulting in the generation of toxic forms of oxygen. The defense strategy and mechanisms followed by plants to cope with excess light and the role of the xanthophylls cycle carotenoids in the regulation of photosynthesis are also investigated.

Keywords:   photo-oxidative stress, toxic forms of oxygen, xanthophylls cycle, carotenoids, photosynthesis, energy, food chains, excess light

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