Light is absorbed by the complex ring structure of a chlorophyll molecule.

8.7 The Molecular Structure of Chlorophyll Chlorophyll consists of a complex ring structure (shaded area) with a magnesium atom at the center, plus a hydrocarbon "tail."The "tail" anchors chlorophyll molecules to the thy-lakoid membrane. Chlorophyll a and chlorophyll b are identical except for the replacement of a methyl group (—CH3) with an aldehyde group (—CHO) at the upper right.

Chlorophyll molecules


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Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

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