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  1. 4 hours ago · OER is a chemical reaction in the process of generating molecular oxygen in the oxidation of water during oxygenic photosynthesis, electrolysis of water into oxygen and hydrogen, and electrocatalytic oxygen evolution from oxides and oxoacids (Ghosh et al. 2019). OER process needs to be considerably overpotential to drive the electrochemical ...

  2. 4 hours ago · Enroll in Free Safar Batch on PW App to get all DPP’s, Test every Week and recording of lectures : https://physicswallah.onelink.me/ZAZB/3roddz4q PW SAT 202...

  3. 4 hours ago · These are then needed to fix CO 2 in the “dark reactions” of photosynthesis, which result in the carbohydrates that are the end product of plant photosynthesis) . In higher plants, PSII is embedded in the thylakoid membrane of the chloroplast and is composed of the light-harvesting complex II—also known as the PSII antenna—and the ...

  4. 1 day ago · This mode of photosynthesis is older than the mode of cyanobacteria, algae, and plants, which uses water as electron donor and liberates oxygen. The biochemistry of hydrogen sulfide is a key part of the chemistry of the iron-sulfur world .

    • H₂S
    • 34.08 g·mol−1
    • −85.5 °C (−121.9 °F; 187.7 K)
    • 3.980 g dm−3 (at 20 °C)
  5. 1 day ago · Since sunlight does not reach deep-sea hydrothermal vents, organisms in deep-sea hydrothermal vents cannot obtain energy from the sun to perform photosynthesis. Instead, the microbial life found at hydrothermal vents is chemosynthetic; they fix carbon by using energy from chemicals such as sulfide, as opposed to light energy from the sun.

  6. Dictionary
    Pho·to·syn·the·sis
    /ˌfōdəˈsinTHəsəs/

    noun

    • 1. the process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water. Photosynthesis in plants generally involves the green pigment chlorophyll and generates oxygen as a byproduct: "during photosynthesis plants absorb CO₂"
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