What powers a cell Photosynthesis experiments showed us
- Slides: 8
What powers a cell? • Photosynthesis experiments showed us that Light is used by plants as the energy to synthesize Glucose. • And we know ATP the source of energy (the little rechargeable battery) used to by all cells to do work
Our guiding question • The energy source for nearly all ecosystems is the sun • The energy source for nearly all cellular processes is ATP • How is energy from the sun transformed and stored in molecules of ATP to be used for cellular work? P P P Sun ATP
Matter cycles as energy is transformed P P P Glucose ATP CHEMICAL ENERGY LIGHT ENERGY FOR CELLULAR WORK P P Carbon dioxide ADP + P P
Trace how the energy is transformed Photosynthesis Cellular respiration P P P Glucose ATP CHEMICAL ENERGY LIGHT ENERGY P P P Carbon dioxide Light energy Photosynthesis Energy stored in glucose Cellular respiration Energy stored in ATP
How is energy from the sun transformed and stored in ATP? P P P ATP Sun Light energy Photosynthesis Energy stored in glucose Cellular respiration Energy stored in ATP
The goal: We will learn the inputs and outputs of cellular respiration and where it takes place. Light energy Photosynthesis Energy stored in glucose Cellular respiration Energy stored in ATP
Cellular respiration • Glucose is broken into carbon dioxide and water to gain energy to build ATP • Oxygen is required as an input • Most of the process occurs in mitochondria INPUTS OUTPUTS • Glucose • Oxygen • (ADP + P) • Carbon dioxide • Water • ATP
Cellular respiration INPUTS OUTPUTS C 6 H 12 O 6 6 O 2 6 CO 2 6 H 2 O Glucose Oxygen Carbon dioxide Water