Biology
General
Easy
Question
The molecule present in the reaction centre of photosystem is
- (a) Chlorophyll-a
- Chlorophyll-b
- Chlorophyll-c
- Chlorophyll-d
The correct answer is: (a) Chlorophyll-a
Chlorophyll-a.
The pigments are organised into two discrete photochemical Light Harvesting Completes (LHC) within the Photosystem I (PS-I) and Photosystem II (PS-I). These are named in the sequence of their discovery, and not in the sequence in which they function during the light reaction. The LHC are made up of hundreds of pigment molecules bounded to proteins. Each photosystem has all the pigments (except one molecule of chlorophyll-a) forming a light harvesting system known as antenna
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