Which of the following is TRUE regarding the difference between chlorophyll structures and heme?
A)Chlorophyll structures contain copper rather than iron.
B)Chlorophyll structures typically have five rings while heme typically has four.
C)Chlorophyll often has fewer R groups attached to the ring system that heme.
D)Chlorophyll metal atoms coordinate to the nitrogen atoms from the ring where as heme iron atoms coordinate to carbon atoms.
E)all of the above

Question

Quizplus · Accepted Answer

Chlorophyll structures typically have five rings while heme typically has four. The other answer choices are incorrect: (A) heme contains iron, not copper; (C) heme has fewer R groups attached to the ring system than chlorophyll; (D) heme iron atoms coordinate to nitrogen atoms from the ring, not carbon atoms.

Which of the Following Is TRUE Regarding the Difference Between