mechanism of photosynthesis light dependent reaction
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1) There are two major phases found in photosynthesis. They are light reaction and dark reaction.
2) Light reaction : The light reaction takes place in chlorophyll containing thylakoids called grana of chloroplasts.
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1) There are two major phases found in photosynthesis. They are light reaction and dark reaction.
2) Light reaction : The light reaction takes place in chlorophyll containing thylakoids called grana of chloroplasts.
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The light-dependent reactions occur only during the daylight .i.e in the presence of sunlight and are mainly observed in the plants, particularly in the biological process of photosynthesis. The light reactions usually take place in the structures called Grana.
Grana are membrane-bound sacs called as thylakoids which are present within the chloroplasts. These structures harvest the light called as photosystems; a chloroplast has around a various number of photosystems.
The photosystems have pigment molecules. In the plants, chlorophyll is one of the primary pigment which actively takes part in the process of light reactions like photosynthesis, but the accessory pigment like carotenoids are also present. These pigments allow the plant to absorb a wide range of spectrum than wavelengths of the light is absorbed by chlorophyll.
In the light-dependent reactions, the light energy is converted into NADPH and ATP.
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Here is ur ans...
The light-dependent reactions occur only during the daylight .i.e in the presence of sunlight and are mainly observed in the plants, particularly in the biological process of photosynthesis. The light reactions usually take place in the structures called Grana.
Grana are membrane-bound sacs called as thylakoids which are present within the chloroplasts. These structures harvest the light called as photosystems; a chloroplast has around a various number of photosystems.
The photosystems have pigment molecules. In the plants, chlorophyll is one of the primary pigment which actively takes part in the process of light reactions like photosynthesis, but the accessory pigment like carotenoids are also present. These pigments allow the plant to absorb a wide range of spectrum than wavelengths of the light is absorbed by chlorophyll.
In the light-dependent reactions, the light energy is converted into NADPH and ATP.
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Have a good day dear
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