Chapter 35.3, Problem 2C

Summary Introduction

To describe: The way by which pressure-flow model explains sugar movement in phloem and includes activities at source and sink.

Introduction: Vascular plants consist of two specialized tissues called as xylem and phloem that act as conducting tubes in plants for the transportation of water and sugar molecules throughout the plant. Phloem vessels are involved in transporting the prepared food (glucose) from leaves to all parts of the plants.