Bacteriochlorophyll Differs from Chlorophyll a and B in Structure and Function

question 26

Multiple Choice

Bacteriochlorophyll differs from chlorophyll a and b in structure and function. Which of the following statements correctly contrasts these types of chlorophyll?

• A)Bacteriochlorophyll has a saturated carbon- carbon bond at one location in the porphyrin ring, whereas chlorophyll does not.
• B)Bacteriochlorophyll has a porphyrin ring, whereas chlorophyll does not.
• C)Chlorophyll has a phytol side chain, but bacteriochlorophyll does not.
• D)Chlorophyll has a methyl group attached to the porphyrin ring, whereas bacteriochlorophyll has a formyl group.
• E)Both A and D correctly contrast these types of chlorophyll.

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