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| Name | Photosynthesis: Part 5: Light Reactions | HHMI BioInteractive Video |
| Video Uploader | Video From biointeractive |
| Upload Date | This Video Uploaded At 23-01-2019 18:42:20 |
| Video Discription | This animation provides a detailed look at the chemical processes in the light reactions of photosynthesis. It is appropriate for advanced high school biology through college-level students. The light reactions of photosynthesis transform light energy into chemical energy stored in molecules of ATP and NADPH. Chlorophyll molecules absorb photons of light in two photosystems, which are embedded in the thylakoid membrane of the chloroplast. The photons energize electrons in the chlorophyll molecules, which drives the electrons through a series of oxidation and reduction reactions in photosystem II. Meanwhile, more electrons are released by the splitting of water molecules, which produces oxygen as a byproduct. The energy from the light-energized electrons generates a proton (hydrogen ion) gradient. As protons flow through ATP synthase, ATP is formed. Photons energize electrons again at photosystem I, eventually forming the NADPH molecule. Both ATP and NADPH provide energy for making sugars in the Calvin cycle. To view the rest of this series on photosynthesis, go to the full playlist at https://www.youtube.com/watch?v=BCIY_xELfaA&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m To view a specific part of the series, use the following links: Part 1: Overview https://www.youtube.com/watch?v=BCIY_xELfaA&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m&index=1 Part 2: Chemical Process https://www.youtube.com/watch?v=ZzdIcIv0FHo&index=2&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m Part 3: Leaf Structure https://www.youtube.com/watch?v=hzl_spaSWfc&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m&index=3 Part 4: Chloroplasts https://www.youtube.com/watch?v=YxUG5EuBI-E&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m&index=4 Part 5: Light Reactions https://www.youtube.com/watch?v=4xHPDxVrJqc&index=5&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m Part 6: Calvin Cycle https://www.youtube.com/watch?v=l12GClqoI10&index=6&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m Part 7: Biosynthesis https://www.youtube.com/watch?v=-xu-ruMU3gw&index=7&list=PLI1XjFOSo4gPnFD37G9R-fiQMtBiLXs8m To view the entire series as a full-length animation, use the following link: https://youtu.be/c4x-o_4a1dQ To download these animations and discover related material, go to https://www.biointeractive.org/photosynthesis |
| Category | Science & Technology |
| Tags | Photosynthesis | Plant | Sun light | Organelle | Light reactions | Calvin cycle | Dark reactions | Chloroplasts | Chlorophyll | Thylakoids | Chloroplast stroma | Thylakoid membrane | Chemical energy | Light energy | ATP | NADPH | Carbohydrates | Organic molecules | G3P | Water | Oxygen | Carbon dioxide | Biosynthesis | Biomass | Plant cells | Tree | photosynthesis video | photosynthesis animation | how does photosynthesis work | hhmi | biointeractive | HHMI | Howard Hughes Medical Institute | science | biology |
