Which of the following is a difference between

chlorophyll ‘a’ and chlorophyll ‘b’.

A Chlorophyll ‘a’ has 4 pyrrole rings, whereas chlorophyll ‘b’ has 6.

B Phytol tail of chlorophyll ‘b’ is shorter that phytol tail of Chlorophyll ‘a’.

C Chlorophyll ‘a’ has methyl group at II pyrrole, whereas Chlorophyll ‘b’ has aldehyde group at II pyrrole

D Chlorophyll ‘a’ has Magnesium ion in the centre of porphyrin ring, whereas Chlorophyll ‘b’ has Calcium

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