7 Photosynthesis & Cellular Respiration. 8-1 Energy and Life.

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Presentation transcript:

7 Photosynthesis & Cellular Respiration

8-1 Energy and Life

ADPATP Energy Adenosine diphosphate (ADP) + PhosphateAdenosine triphosphate (ATP) Partially charged battery Fully charged battery Figure 8-3 Comparison of ADP and ATP to a Battery Go to Section: Cells don’t keep a lot of ATP around because it doesn’t store a lot of energy. They convert carbohydrates into ATP as needed. Glucose → ATP (there is more to this equation!)

Van Helmont – tested soil mass increase Priestley – Found that plants release a substance that keeps a candle burning; we now know this substance is oxygen gas (O 2 ) Ingenhousz – Concluded that plants need sunlight to produce oxygen 8-2 Photosynthesis: An Overview Essential Question: When a tiny seed grows into a tree, where does the increase in mass come from? Water? Soil? Air?

Word Equation for Photosynthesis Chemical Equation for Photosynthesis

8-2 Photosynthesis: An Overview

p. 208: Inside A Chloroplast

9-1 (p ) Chemical Pathways

Word Equation for Cellular Respiration Chemical Equation for Cellular Respiration

Overview of Cellular Respiration (p. 222)

Both plants and animals do cellular respiration!

Fermentation (anaerobic respiration)

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