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Honors Biology - Chapter 4 Energy & the Cell Energy & the Cell. What is Energy?. “ The ability to do work ”. 1st Law of Thermodynamics Conservation of Energy. 2nd Law of Thermodynamics Entropy. ATP - Life ’ s Energy Molecule (Adenosine Triphosphate).
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Honors Biology - Chapter 4Energy & the CellEnergy & the Cell
What is Energy? • “ The ability to do work”
Breaking phosphate bonds delivers just the right amount of energy
ATP Functions • Signal transduction • Motility • Cell division • Synthesis • Transport
All organisms make & use ATP from carbon compounds (food) CPE = Chemical Potential Energy
Autotrophic Organisms(Self Feeders) 2 Types Photosynthetic Chemosynthetic
Plant Leaves Gross Anatomy Microscopic Anatomy
Leaf Structure Stomata (pl.)
Other Photosynthetic Organisms Photosynthetic Bacteria
Other Photosynthetic Organisms Protists