Lecture9_Photosynthesis.pptx

Lecture9_Photosynthesis.pptx - Chapter 10 Photosynthesis...

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Chapter 10 Photosynthesis
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Reminders and Important Info First exam is in one week!!! Extended office hours today and Friday—I’ll be in my office from after class until about 3:30- 4:00 pm. You are always welcome to email me any questions you might have. Remember, there is a practice exam posted for you. Quiz key is also now posted for you. Session ID: 677365
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Photosynthesis Today, we are going to start talking about the process of photosynthesis, where autotrophs convert light energy to carbohydrates.
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Photosynthesis Photosynthesis can be summed up in one simple equation.
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Photosynthesis Photosynthesis consists of two linked reactions.
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Photosynthesis Today’s lecture is going to focus on the light- capturing reactions.
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Where does photosynthesis take place? A. Endoplasmic reticulum B. Chloroplasts C. Mitochondria D. Vacuole
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Photosynthesis Photosynthesis takes place in the chloroplasts.
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Photosynthesis Plant cells typically have 40-50 chloroplasts per cell.
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Photosynthesis Chloroplasts possess a double membrane (remember endosymbiosis) and flattened, sac-like structures called thylakoids.
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Photosynthesis The thylakoids possess pigments, which are molecules that absorb only certain wavelengths of light.
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Photosynthesis There are two major pigments classes in plant leaves: chlorophylls and carotenoids.
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