In chlorophyll a, a -CH₃ group is attached to which pyrrole ring?
Correct answer: A. 1st
- A. 1st
- B. 2nd
- C. 3rd
- D. 4th
Explanation
1st - Correct. In chlorophyll a, a methyl (-CH₃) group is attached to the first pyrrole ring, distinguishing it from chlorophyll b, which has a formyl (-CHO) group instead.
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