CAMPBELL BIOLOGY-MASTERING BIO.ACCESS
CAMPBELL BIOLOGY-MASTERING BIO.ACCESS
12th Edition
ISBN: 9780136486787
Author: Urry
Publisher: SAVVAS L
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Chapter 36, Problem 36.3CR
Summary Introduction

To review: The importance of hydrogen bonding in water molecules for the movement of xylem sap in plants.

Concept introduction: Hydrogen bonds exist in water as the hydrogen atoms in one water molecule are attracted towards the oxygen atom of the adjacent water molecule. There is a property of cohesion in water which allows the column of water to be pulled up because molecules of water evaporate at the surface of leaf cells. This process is termed as the cohesion theory of ascent of sap in plants.

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