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 27, Problem 9SQ
Summary Introduction

Concept introduction: Onion is also known as bulb onion or common onion. It is a vegetable, which is most widely cultivated species of the genus Allium. Onion plant has a fan of hollow, bluish-green leaves and a bulb in the base of the plant. Onions become pungent when they are chopped, as they contain certain chemical substances that irritate the eyes.

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