Biology
Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 44.9, Problem 1CYL
Summary Introduction

To determine:

How sugar solution moves in phloem and why they always move from sources to sinks of sugars.

Introduction:

Xylem and phloem are two important tissues involved in the transportation system in the plant. These tissues are also known as vascular bundle. Phloem mediated food transportation is bi-directional and is transported from source to sink.

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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?
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