Cytochromes consist of two main parts:
A)myoglobin and heme
B)heme and porphyrin
C)heme and a protein
D)myoglobin and porphyrin
E)an iron ion and porphyrin

Question

Quizplus · Accepted Answer

Cytochromes consist of a heme group, which is a porphyrin ring structure containing an iron ion that can carry and transfer electrons, and a protein portion that provides stability and specificity. Therefore, choice C, which includes both heme and a protein, is the best answer.

Cytochromes Consist of Two Main Parts