Session Three (1.2.3): Active Transport

 Introduction

Active transport is the movement of molecules or ions through a cell membrane from a region of lower concentration to a region of higher concentration (so against a concentration gradient) using energy from respiration.

Reading

Read through and make notes on page 24 of your coursebook.

 Links

Now work through the following resources:

WATCH – Active Transport (YouTube) Links to an external site.

WATCH – Transport in Cells (YouTube) Links to an external site.

Activity

Update your flash cards with key words and command words, e.g. independent and dependent variable, identify and active transport.

Review

Complete the remaining questions about movement into and out of cells on pages 27-29. Check your answers.

Complete the self-evaluation checklist on page 29. Go back and review any topics that you think you need to study further.

Update your notes/flash cards as necessary.