'O2 present' diaporamas de présentation

Topic 5: Gases

Topic 5: Gases. Pressure. Force per unit area. Gas molecules fill container. Molecules move around and hit sides. The force is caused by collisions with the sides of the container. Container has the area. Measured with a barometer. Barometer. Vacuum.

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Glycolysis and Fermentation

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Cellular Respiration

Cellular Respiration. Principles of Energy Harvest. Ultimately, the NRG in an ecosystem begins as sunlight and leaves as heat Chemical elements are recycled Photosynthesis and Respiration are essential processes that allow NRG to flow through an ecosystem. NRG from food.

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Fig. 9-2

Fig. 9-2. Light energy. ECOSYSTEM. Photosynthesis in chloroplasts. Organic molecules. CO 2 + H 2 O. + O 2. Cellular respiration in mitochondria. ATP. ATP powers most cellular work. Heat energy. Fig. 9-19. Glucose. Glycolysis. CYTOSOL. Pyruvate. O 2 present:

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Essential Knowledge 2.A.2: Organisms capture and store free energy for use in biological processes

Enduring Understanding: Growth, reproduction and maintenance of the organization of living systems require free energy and matter. Essential Knowledge 2.A.2: Organisms capture and store free energy for use in biological processes.

179 views • 6 slides