BIOLOGY: CONCEPTS & INVEST. (LOOSE)
BIOLOGY: CONCEPTS & INVEST. (LOOSE)
4th Edition
ISBN: 9781260203127
Author: Hoefnagels
Publisher: MCG
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Chapter 23, Problem 7MCQ
Summary Introduction

Introduction:

Phloem tissue which is made up of sieve tubes and companion cells is responsible for the transports of sugars from source to the whole plant. The part which produces or synthesizes sugar is called source and the parts that receives sugars from the source are known as sink.

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