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Question
In PS I, the reaction centre chlorophyll has
In PS I, the reaction centre chlorophyll has
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Solution
The correct option is A maximum absorption at 700nm
Photosystem I (PS I) is a photosynthetic pigment system. It contains some electron carriers. It is located on both the non-appressed part of grana thylakoids and stroma thylakoids. It consists of a photocentre, light harvesting complexes (LHC I) and a few electron carriers. The reaction centre is formed by a chlorophyll ‘a’ molecule which has maximum absorption at 700nm, hence, called P700. There is not 1, but many of these reaction centres. LHCs contain chlorophyll ‘b’ and carotenoids. It contains A0 (a modified chlorophyll molecule), A1, Fe-S (iron-sulphur) centres, ferredoxin (Fd).
Photosystem I (PS I) is a photosynthetic pigment system. It contains some electron carriers. It is located on both the non-appressed part of grana thylakoids and stroma thylakoids. It consists of a photocentre, light harvesting complexes (LHC I) and a few electron carriers. The reaction centre is formed by a chlorophyll ‘a’ molecule which has maximum absorption at 700nm, hence, called P700. There is not 1, but many of these reaction centres. LHCs contain chlorophyll ‘b’ and carotenoids. It contains A0 (a modified chlorophyll molecule), A1, Fe-S (iron-sulphur) centres, ferredoxin (Fd).