Starter What defines energy in Biology?

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Presentation transcript:

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

Starter How long we would last living without the sun? http://www.popsci.com/node/117424

Energy Processing Systems Introduction

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

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

It’s all about ATP

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

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

P P P ATP ADP + P P P + P

Where is ADP transformed back into ATP? In the Mitochondria

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

Plenary

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