light reaction - significado y definición. Qué es light reaction
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Qué (quién) es light reaction - definición

WIKIMEDIA DISAMBIGUATION PAGE
Light reaction (disambiguation)

light reaction         
¦ noun Biochemistry (in photosynthesis) the reaction in which light is absorbed and converted to chemical energy in the form of ATP.
Light-dependent reactions         
  • The cyclic light-dependent reactions occur only when the sole photosystem being used is photosystem I. Photosystem I excites electrons which then cycle from the transport protein, ferredoxin (Fd), to the cytochrome complex, b<sub>6</sub>f, to another transport protein, plastocyanin (Pc), and back to photosystem I. A proton gradient is created across the thylakoid membrane (6) as protons (3) are transported from the chloroplast stroma (4) to the thylakoid lumen (5). Through chemiosmosis, ATP (9) is produced where ATP synthase (1) binds an inorganic phosphate group (8) to an ADP molecule (7).
PHOTOSYNTHETIC REACTIONS
Light reactions; Z-scheme; Cyclic electron flow; Photoreduction; Light dependent reaction; Light Dependent Reaction; Noncyclic Photophosphorylation; Light dependent reactions; Light Reactions; Light-dependent Reactions; Light-dependent reaction; Photochemical reduction
In photosynthesis, the light-dependent reactions take place on the thylakoid membranes. The inside of the thylakoid membrane is called the lumen, and outside the thylakoid membrane is the stroma, where the light-independent reactions take place.
Cascade reaction         
  • Fig. 1: Structure of Routiennocin 1
  • Fig. 2: Representative examples of synthetic targeting using polyring forming processes
  • Heathcock]]'s synthesis of dihydroprotodaphniphylline features a highly efficient cascade involving two aldehyde/amine condensations, a Prins-like cyclization, and a 1,5-hydride transfer to afford a pentacyclic structure from an acyclic starting material.
  • '''Scheme 10.''' Electrocyclic cascade in the total synthesis of (–)-colombiasin A
  • '''Scheme 11.''' Pericyclic sequence for the synthesis of [2,2]paracyclophanes
  • '''Scheme 12.''' Rhodium-catalyzed hydroformylation cascade for the preparation of 4''H''-chromens
  • '''Scheme 13.''' Rhodium(II)-carbenoid-initiated cascade in the synthesis of a tigliane
  • '''Scheme 14.''' Gold-catalyzed
formal intramolecular [4+2] cycloaddition of 1,6-enynes
  • '''Scheme 15.''' Proposed cascade process in the formal intramolecular [4+2] cycloaddition of 1,6-enynes
  • '''Scheme 16.''' Palladium-catalyzed Heck cascade in the enantioselective synthesis of (+)-xestoquinone
  • '''Scheme 1.''' Synthesis of (–)-chloramphenicol via a nucleophilic cascade
  • '''Scheme 2.''' Cascade
reaction in the total synthesis of (±)-pentalenene
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  • '''Scheme 4.''' Asymmetric synthesis
of ''tetra''-substituted cyclohexane
carbaldehydes via a triple organocatalytic cascade reaction
  • '''Scheme 5.''' Proposed catalytic cycle for the asymmetric triple organocatalytic cascade
  • '''Scheme 6.''' Cascade
radical cyclization in the total synthesis of (±)-hirsutene
  • '''Scheme 7.''' Cascade radical cyclization in the synthesis of (–)-morphine
  • '''Scheme 8.''' Pericyclic cascade in the synthesis of endiandric acid derivatives
  • '''Scheme 9.''' Pericyclic cascade in the total synthesis of (–)-vindorosine
CHEMICAL PROCESS
Tandem reaction; Domino reaction; Negishi zipper reaction; Negishi-Zipper reaction
A cascade reaction, also known as a domino reaction or tandem reaction, is a chemical process that comprises at least two consecutive reactions such that each subsequent reaction occurs only in virtue of the chemical functionality formed in the previous step.Tietze, L.

Wikipedia

Light reaction

Light reaction may refer to:

  • Light-dependent reactions
  • Pupillary light reflex
Ejemplos de uso de light reaction
1. At around 11÷25am on Monday, the 1st Light Reaction Company engaged Abu Sayyaf leader Kadaffy Janjalani‘s group in a fierce firefight in Nakatan, Tamar village, reports said.
2. The soldiers who raided the village were identified as members of the army’s Light Reaction Company, trained by US forces, and navy’s Special Warfare Group.
3. The soldiers, members of the army’s elite Light Reaction Company and the navy’s Special Warfare Group, were accused of killing seven civilians and an off–duty army soldier during a raid in the village of Ipil in Maimbung town on Feb. 4.
4. A military panel of investigators absolved dozens of members of the army’s Light Reaction Company and the navy’s Special Warfare Group in the killing of seven civilians and an off–duty soldier during a raid on the village of Ipil in Maimbung town on Feb. 4.
5. He later served as deputy chief of staff for operations (J3) then as commander of the elite Special Operations Command (Socom), which includes the Scout Rangers, Special Forces, and Light Reaction Company, before he assumed as army commander in August 2005.