1. Starter What defines energy in Biology?
What is the main source of energy for life on earth?

2. Starter How long we would last living without the sun?

3. Energy Processing Systems
Introduction

4. Objectives? cycle the releases and ATP of structure how energy it
Analyze
and
and
explain

5. Objectives
Analyze and explain the structure and cycle of ATP and how it releases energy

6. It’s all about ATP

7. Tasks to do Each group will be assigned a task to do
You have 20 minutes to finish the task

8. Introduction: The molecule ATP
ATP is the common energy currency of cells. When a cell requires energy it uses ATP.
A molecule of ATP (adenosine triphosphate) consists of a base, a sugar and 3 phosphate molecules P P P
ATP

9. P P P
ATP
ADP + P P P + P

10. Where is ADP transformed back into ATP?
In the Mitochondria

11. Examples of ATP usage:
A muscle cell needs ATP to contract
Active transport molecule use ATP
Some reactions are catalyzed by ATP hydrolysis

12. Plenary