Photosynthesis - Light Dependent Reactions

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Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities (energy transformation). This chemical energy is stored in carbohydrate molecules, such as sugars, which are synthesized from carbon dioxide and water – hence the name photosynthesis.
In most cases, oxygen is also released as a waste product. Most plants, most algae, and cyanobacteria perform photosynthesis; such organisms are called photoautotrophs. Photosynthesis is largely responsible for producing and maintaining the oxygen content of the Earth's atmosphere, and supplies all of the organic compounds and most of the energy necessary for life on Earth.
In plants, algae and cyanobacteria, long-term energy storage in the form of sugars is produced by a subsequent sequence of light-independent reactions called the Calvin cycle; some bacteria use different mechanisms, such as the reverse Krebs cycle, to achieve the same end. In the Calvin cycle, atmospheric carbon dioxide is incorporated into already existing organic carbon compounds, such as ribulose bisphosphate (RuBP).Using the ATP and NADPH produced by the light-dependent reactions, the resulting compounds are then reduced and removed to form further carbohydrates, such as glucose.
Photosynthesis occurs in two stages. In the first stage, light-dependent reactions or light reactions capture the energy of light and use it to make the energy-storage molecules ATP and NADPH. During the second stage, the light-independent reactions use these products to capture and reduce carbon dioxide.

Site of Photosynthesis is in Chloroplasts.
Light Reactions in Thylakoid Membrane
Calvin Cycle in Stroma
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These videos are superb. Precise, concise and explained with good clarity. Thank you very much. Keep it up brother. You are really helping students like me 👍

rahulkrishna
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The Number one best channel for Biological Reactions ... Thanks a lot Sir

iamabubakar
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The most clearest teaching....your a great teacher

hahahahahhaahaokip
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Thank you so much sir, by far the best explanation, helped me a lot to clear the confusion

shefamannan
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Shukriya ...sakh topic shal pyeath samjawnss ....♥️

misbashabir
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This is so helpful!! Thank you so much for such a clear explanation, sir! :)

hetvipatel
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Can you please make a detailed explanation on functions of plant hormones 🥺

dresdenchickay
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where do the hydrogen ions in stroma come from, which is pumped into the thylacoid?

itsdharun
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Apko a scheme bnani chahye thi ....iss tarah samjhna bht mushkil ho jata ha. ..aur topic bhi a scheme k baray mein ata ha tou hmein bhi ussi tarah sy likhna parta ha....by the way...good efforts...keep it up bro

maheenkhan
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Can I ask what equipment you used to film your video especially the part when you illustrated in real-time the steps of the light-dependent reaction?

revthegreat
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Why are P700 and P680 called photosystem 1 and 2 respectively?

kunalmadhav
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For formation of 1 atp how many protons need to be transfer from lumen to stroma? Pls answer me sir,

paramitadas
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You Said...that Inside the Chloroplast, there are Double membrane structure Called is Not True.
Thylakoids are Single membranous structures.

medicalmiracles