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  2. Light-dependent reactions - Wikipedia

    en.wikipedia.org/wiki/Light-dependent_reactions

    The mobile water-soluble electron carrier is cytochrome c 6 in cyanobacteria, having been replaced by plastocyanin in plants. [8] Cyanobacteria can also synthesize ATP by oxidative phosphorylation, in the manner of other bacteria. The electron transport chain is NADH dehydrogenase → plastoquinol → b 6 f → cyt c 6 → cyt aa 3 → O 2

  3. Photophosphorylation - Wikipedia

    en.wikipedia.org/wiki/Photophosphorylation

    This word is taken from two Greek words, photos, which means light, and synthesis, which in chemistry means making a substance by combining simpler substances. So, in the presence of light, synthesis of food is called 'photosynthesis'. Noncyclic photophosphorylation through light-dependent reactions of photosynthesis at the thylakoid membrane.

  4. Double-slit experiment - Wikipedia

    en.wikipedia.org/wiki/Double-slit_experiment

    In 2017, researchers performed the double-slit experiment using light-induced field electron emitters. With this technique, emission sites can be optically selected on a scale of ten nanometers. By selectively deactivating (closing) one of the two emissions (slits), researchers were able to show that the interference pattern disappeared. [68]

  5. List of experiments in physics - Wikipedia

    en.wikipedia.org/wiki/List_of_experiments_in_physics

    Cavendish experiment: Henry Cavendish: Measurement Gravitational constant: 1799 Voltaic pile: Alessandro Volta: Demonstration First electric battery: 1803 Young's interference experiment: Thomas Young: Confirmation Wave theory of light: 1819 Arago spot experiment François Arago: Confirmation Fresnel diffraction due to circular object 1838 ...

  6. Fizeau's measurement of the speed of light in air - Wikipedia

    en.wikipedia.org/wiki/Fizeau's_measurement_of_the...

    In 1848–49, Hippolyte Fizeau determined the speed of light using an intense light source at the bell tower of his father's holiday home in Suresnes, and a mirror 8,633 meters away on Montmartre. [2] The light source was interrupted by a rotating cogwheel with 720 notches that could be rotated at a variable speed several times a second.

  7. Chemiosmosis - Wikipedia

    en.wikipedia.org/wiki/Chemiosmosis

    Peter D. Mitchell proposed the chemiosmotic hypothesis in 1961. [1] In brief, the hypothesis was that most adenosine triphosphate (ATP) synthesis in respiring cells comes from the electrochemical gradient across the inner membranes of mitochondria by using the energy of NADH and FADH 2 formed during the oxidative breakdown of energy-rich molecules such as glucose.