Chapter 05 Metabolism

Chapter 05 Metabolism - Metabolism ENERGY- The Circle of...

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Metabolism
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ENERGY- The Circle of life …Our Life depends upon energy Our energy comes from plants Plants provide this energy through the process called photosynthesis Photosynthesis depends upon sunlight Water and carbon dioxide in the presence of sunlight create food We eat the food and have life…
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in-text, p. 93 12H 2 O + 6CO 2 6O 2 + C 2 H 12 O 6 + 6H 2 O WATER CARBON DIOXIDE OXYGEN GLUCOSE WATER LIGHT ENERGY
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Energy Energy is defined as the ability to do work Two states of energy: Potential, Kinetic Three principal types of energy: Chemical, Mechanical, Electrical Study of energy is called THERMODYNAMICS (thermo = heat, dynamics = changes) we can measure energy by using heat for example: Calories
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TWO LAWS OF THERMODYNAMICS LAW I - Energy can not be made or destroyed . Energy can change from one type to another (mechanical, chemical, electrical) but the amount of energy in the universe remains constant LAW II - Energy goes from useful energy to less useful energy as in heat. ENTROPY INCREASES in the second law causing more and more disorder
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ENERGY STATES and ENERGY TYPES POTENTIAL KINETIC MECHANICAL Safety pin closed Safety pin open ELECRTRICAL Nerve + on outside Nerve – on outside CHEMICAL ATP ADP + energy
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CHEMICAL REACTIONS Starting the reaction is an EXERGONIC reaction . This requires energy called
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This note was uploaded on 10/05/2011 for the course MCB 2010 taught by Professor Staff during the Spring '11 term at Broward College.

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Chapter 05 Metabolism - Metabolism ENERGY- The Circle of...

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