Question 3 of 13

The answer you chose is highlighted in reverse video. The correct answer is in bold.

Coproporphyrinogen I

A. Intermediate in heme synthesis

B. Intermediate in heme degradation

A. A only

B. B only

C. Both A and B

D. Neither A or B

Comments:

Coproporphyrinogen I is an apparently useless side product of heme synthesis. It is not an intermediate on the pathway to heme. The coproporphyrinogens have nothing to do with heme degradation.

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Last modified 1/5/95