Campbell Biology
Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 36, Problem 36.5CR
Summary Introduction

To review: Active process of transportation by phloem.

Concept introduction: The phloem is a vascular tissue composed of living cells. Phloem helps in transportation of sap, which is a water based solution but rich in sugars made by the photosynthesis.

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Why is phloem transport considered an active process?
Consider the pressure flow model of phloem transport. How do sugars and water enter the phloem from the source? How do sugars and water move from one phloem cell to another?
what are the difference between the transport of materials in xylem and phloem?

Chapter 36 Solutions

Campbell Biology

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