Chlorophyll molecule resemble the haem group of hemoglobin, the main difference between these two molecule is that chlorophyll has _ ion.
Correct answer: B. Mg
- A. Fe
- B. Mg
- C. Mn
- D. Ca
Explanation
The main difference between the chlorophyll molecule and the heme group of hemoglobin is that chlorophyll contains a magnesium ion (Mg2+), whereas the heme group of hemoglobin contains an iron ion (Fe2+). The central metal ion in chlorophyll is magnesium, while in hemoglobin, it is iron. This difference in metal ions is crucial for the distinct functions of these molecules.
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