Biology: The Essentials
Biology: The Essentials
3rd Edition
ISBN: 9781260140705
Author: Marielle Hoefnagels
Publisher: Mcgraw-hill Higher Education (us)
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Chapter 21.6, Problem 4MC
Summary Introduction

To differentiate:

A source from a sink in the plant.

Introduction:

The explanation of phloem transport is known as the pressure flow theory. The theory suggests that the organic compounds dissolved in the phloem sap moves under positive pressure from source to sink.

Summary Introduction

To determine:

The reason for a single plant to act as both a source and a sink.

Introduction:

A source is a part of the plant which produces sugar through photosynthesis, and a sink is that part of the plant which is dependent on the source for sugar.

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