Lesson Plan: Translocation in the Phloem | Nagwa Lesson Plan: Translocation in the Phloem | Nagwa

Lesson Plan: Translocation in the Phloem Biology • Second Year of Secondary School

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This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to describe the process of translocation in plants.

Objectives

Students will be able to

  • describe the process of translocation in terms of the movement of sucrose around the plant,
  • recall that the movement of sucrose is bidirectional,
  • outline the role of the components of the phloem (sieve tube elements and companion cells) in the transport of sucrose,
  • describe the structure and the function of companion cells in assisting the movement of sucrose,
  • describe the structure and the function of sieve tube elements in the phloem,
  • analyze and discuss experiments performed to understand the transport of sugars in the phloem.

Prerequisites

Students should already be familiar with

  • the fact that plants require their own sources of food to function,
  • the fact that photosynthesis is the process by which plants produce their own food.

Exclusions

Students will not cover

  • the process of converting glucose to sucrose,
  • active loading.

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