EVERYDAY SCIENCE

Detailed explanation-1: -The correct answer is Chlorophyll.

Detailed explanation-2: -They both have elements like carbon, hydrogen, oxygen, and nitrogen. They both are colored pigments.

Detailed explanation-3: -The basic structure of a chlorophyll molecule is a porphyrin ring, coordinated to a central atom. This is very similar in structure to the heme group found in hemoglobin, except that in heme the central atom is iron, whereas in chlorophyll it is magnesium.

Detailed explanation-4: -Heme serves as a catalyst for respiration to release the energy stored in organic bonds. Chlorophyll serves as a catalyst to convert the energy of sunlight into the stored chemical energy of organic bonds. The basic energetics of protoplasm is catalyzed by these two pigments derived from the same biosynthetic chain.

Detailed explanation-5: -Magnesium metal present in chlorophyll absorbs light energy during the photosynthesis process. Thus, chlorophyll contains Mg. So, haemoglobin and chlorophyll contain Fe, Mg respectively.