Haemoglobin and Chlorophyll have similar structures. - A molecule of haemoglobin is composed of the atoms of four elements- carbon, hydrogen, oxygen and nitrogen, all four organised around iron. - A chlorophyll is composed of the same elements, which are organised around magnesium. Considering the above information, which element of haemoglobin is MOST LIKELY responsible for the red colour of our blood?

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MCQ (Single)Composition and Functions of Blood

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