light reaction


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Related to light reaction: dark reaction

light reaction

n.
Any of the chemical reactions that take place as part of the first stage of photosynthesis and require the presence of light, by which energy captured from light is converted to chemical energy in the form of ATP.

light reaction

That stage of photosynthesis in which photons are captured by cells and used to supply the energy needed to synthesize carbohydrates. Chlorophyll is the light-trapping molecule of most plants. Bacteriochlorophyll is a related compound used by bacteria to capture the energy supplied by light.
References in periodicals archive ?
According to this, referees' right hang light reaction time is ,2521 s averagely, left hand light reaction time is ,2597 s averagely, right hand sound reaction time is ,2498 s averagely and left hand sound reaction time is ,2552 s averagely.
Last month, I joined Light Reaction and Spark Experience to see how people interacted with digitalads on smartphones.
The capturing light of--and producing energy-rich compounds in--a plant are divided into the light reaction and the dark reaction (or light-independent reactions) of photosynthesis.
"We've been able to separate the light reaction from the dark reaction and instead of using biological photosynthesis, we are using solar panels to convert the sunlight to electrical energy, then to a chemical intermediate, and using that to power carbon dioxide fixation to produce the fuel," Liao said.
Photosynthesis can be divided into two types of reactions: the light reactions and the carbon-fixation (or dark) reactions.
The [NADDPH.sub.2] produced in the light reaction provides the reducing source ([H.sub.2]) needed for this process.
effective reaction volume, the TFR provides very high surface, through which light reaction products can be separated from the process.
That mission should last throughout next year, raising two Philippine light reaction companies and four light infantry battalions.
Polymorphous light reaction: This is relatively common and usually occurs after the first intense sun exposure in the spring or summer.
Officers and enlisted personnel from the Philippine Army's Light Reaction Regiment, First Scout Ranger Regiment, Special Forces Regiment (Airborne), 1st Infantry "Tabak" Division, 6th Infantry Division, and the 11th Infantry Division, participated in a Trauma Risk Management Training (TRiM) to help train Army personnel on operational stress management.
Two other enlisted personnel - Sergeant Arnel Alberto of the 1st Light Reaction Company and Corporal Roel Delos Reyes of the 66th Infantry Battalion - are also recipients of the Distinguished Conduct Star for their roles against Maute fighters in 2017 and 2016, respectively.