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2006-12-11 17:35:26 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Biology
It is the excitation of an object by light energy. Photosysnthesis is an example of it.
2006-12-11 18:09:33 · answer #1 · answered by Paw 3 · 0⤊ 0⤋
Photoactivation means getting activated or energised by light. For example chlorophyll molecule it is a bio chemical reaction in which the chlorophyll molecule is able to convert light energy into kinetic energy which is responsible for photosynthesis which means preparation of food in presence of light.
2006-12-12 02:00:43 · answer #2 · answered by rashmir 2 · 0⤊ 0⤋
A process where photon (or light energy, sunlight) is absorbed to activate a photosystem on thylakoid in a chloroplast.
Used for photosynthesis.
2006-12-12 03:35:15 · answer #3 · answered by Adrianne G. 2 · 0⤊ 0⤋
It means that a reaction is triggered by strong light, usually sunlight
2006-12-12 01:58:50 · answer #4 · answered by No Bushrons 4 · 0⤊ 0⤋