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(B) Chlorophyll $a$ and chlorophyll $b$ are the two primary pigments involved in photosynthesis.Both molecules share a similar porphyrin ring structur

Vedclass · Accepted Answer

Chlorophyll $a$ has a methyl group while chlorophyll $b$ has an aldehyde group

Vedclass · Answer

(B) Chlorophyll $a$ and chlorophyll $b$ are the two primary pigments involved in photosynthesis.Both molecules share a similar porphyrin ring structure with a central magnesium atom.The key chemical difference lies in the substituent group attached to the $3^{rd}$ carbon of the porphyrin ring.In chlorophyll $a$,this position is occupied by a methyl group $(-CH_3)$.In chlorophyll $b$,this position is occupied by an aldehyde group $(-CHO)$.

The main difference between the molecules of chlorophyll $a$ and $b$ is

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