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What Is ATP? Adenosine Triphosphate Molecule containing high-energy Phosphate bonds.

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Presentation on theme: "What Is ATP? Adenosine Triphosphate Molecule containing high-energy Phosphate bonds."— Presentation transcript:

1 What Is ATP? Adenosine Triphosphate Molecule containing high-energy Phosphate bonds

2 Chemical Structure of ATP 3 Phosphates Ribose Sugar Adenine Base Copyright Cmassengale

3 What Does ATP Do for You? It supplies YOU with ENERGY! Copyright Cmassengale

4 How Do We Get Energy From ATP? By breaking the high- energy bonds between the last two phosphates in ATP Copyright Cmassengale

5 The ADP-ATP Cycle ATP ADP+ P Copyright Cmassengale

6 When is ATP Made in the Body? During a Process called Cellular Respiration that takes place in both Plants & Animals Copyright Cmassengale

7 Photosynthesis & Respiration

8 What is Photosynthesis? The process of photosynthesis is a chemical reaction. It is the most important chemical reaction on our planet.

9 What is the Equation for the Chemical Reaction of Photosynthesis?

10 What is the equation for the chemical reaction of photosynthesis?

11 Six molecules of carbon dioxide react with six molecules of water to form 1 molecule of glucose and six molecules of oxygen.

12 Describe Photosynthesis

13 The process of changing light energy to chemical energy Energy stored as sugar Occurs in plants and some algae Plants need light energy, CO 2, and H 2 O Takes place in the chloroplasts, using chlorophyll, the green pigment in plantschloroplasts chlorophyll

14 What happens during photosynthesis?

15 Plants capture light energy and use that energy to make glucose Sunlight provides the energy needed by chlorophyll to change molecules of carbon dioxide and water into glucose Oxygen is also released in this reaction

16 What happens during photosynthesis? Carbon dioxide enters the leaf through holes called stomatastomata CO 2 combines with the stored energy in the chloroplasts through a chemical reaction to make glucose The sugar is moved through tubes in the leaf to the roots, stems and fruits of the plants Some of the sugar is used right away by the plant for energy; some is stored as starch; and some is built into plant tissue

17 Why is this important to us?

18 We cannot make our own food (glucose, energy), we must get our food from plants. Plants are the first step in the food chain.

19 Why is this important to us? The oxygen released during photosynthesis is necessary for all living things.

20 Learn more about photosynthesis at:

21 What is Cellular Respiration?

22 The release of chemical energy for use by cells.

23 What is Cellular Respiration? Once the energy that was in sunlight is changed into chemical energy by photosynthesis, an organism has to transform the chemical energy into a a form that can be used by the organism. photosynthesis This process is cellular respiration.

24 Describe Cellular Respiration

25 The breakdown of glucose molecules to release energy Takes place in all living things Is a step by step process

26 What is the chemical equation for cellular respiration?


28 Read how photosynthesis & respiration are related: er00/8th/energy/sciber/photosyn.htm


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