Chlorophyll differs from heme because it
A) has a cyclohexene ring fused to the tetrapyrrole ring system.
B) has a 16-carbon unbranched side chain.
C) contains magnesium rather than iron.
D) has a fully saturated tetrapyrrole ring.
E) none of these

Question

Quizplus · Accepted Answer

Chlorophyll differs from heme in the central metal atom within the tetrapyrrole ring; chlorophyll contains magnesium, whereas heme contains iron.

Chlorophyll Differs from Heme Because It