Lecture 6 Photosynthesis

Lecture 6 Photosynthesis - Lecture 6 - Photosynthesis &...

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* Only molecules you need to know are the ones mentioned in class * Print respiration notes from blackboard for class after test * Interactions between photosynthesis and cell respiration REVIEW: Photosynthesis – converts sunlight energy to chemical energy Photo – light Synthesis – makes sugar – made up of carbon, hydrogen, oxygen Sugar can be stored so it can be used as a building block for the plant Sugar can be used as an energy source Light reactions occur in the thylakoid Light excites an electron in the thylakoid in photosystems I and II Photosytems differ by the wavelength of light they accept Energy given off from ETC forms ATP ATP and NADPH are products Replace electrons from water, which gives off oxygen Dark reactions occur in the stroma Uses NADPH from the light dependent reaction to reduce (add hydrogens) to CO2 using the energy from ATP Summary pathway Water electron photosystem II photosystem I NADPH carbohydrate
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Lecture 6 Photosynthesis - Lecture 6 - Photosynthesis &...

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