A) Fe and S
B) N and S
C) Mg and S
D) Mg and N.
Correct Answer: D
Solution :
: Chlorophyll molecule has a complex porphyrin ring (head) to which is attached a long hydrophobic phytol\[({{C}_{28}}{{H}_{39}})\]chain (tail). The metal constituent of the molecule, the magnesium, is incorporated in this ring. Different chlorophylls have the following formulae - chlorophyll a\[-({{C}_{55}}{{H}_{70}}{{O}_{6}}{{N}_{4}}Mg),\]chlorophyll\[c-({{C}_{35}}{{H}_{32}}{{O}_{5}}{{N}_{4}}Mg),\]chlorophyll\[c-\]\[({{C}_{35}}{{H}_{32}}{{O}_{5}}{{N}_{4}}Mg),\] chlorophyll \[d\] \[-({{C}_{54}}{{H}_{70}}{{O}_{6}}{{N}_{4}}Mg).\]
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