Campbell Essential Biology with Physiology (6th Edition)
Campbell Essential Biology with Physiology (6th Edition)
6th Edition
ISBN: 9780134711751
Author: Eric J. Simon, Jean L. Dickey, Jane B. Reece
Publisher: PEARSON
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Chapter 29, Problem 4SQ
Summary Introduction

To explain: The difference between cohesion and adhesion.

Concept introduction:

The ascent of sap is defined as the upward movement of water from root to aerial part of the plant. The movement occurs through xylem against the gravitational force. Cohesion is the attraction between two similar molecules such as water to water molecule and adhesion is the attraction between the water molecules to the hydrophilic walls of the tracheary elements.

Summary Introduction

To describe: The role of cohesion and adhesion in the ascent of xylem sap.

Concept introduction:

The ascent of sap is defined as the upward movement of water from root to aerial part of the plant. The movement occurs through xylem against the gravitational force. Cohesion is the attraction between two similar molecules such as water to water molecule and adhesion is the attraction between the water molecules to the hydrophilic walls of the tracheary elements.

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