Multiple choice

Among the following the most abundant heme is

  1. heme A

  2. heme B

  3. heme C

  4. heme O

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Heme B is the most abundant heme, both hemoglobin and myoglobin are examples of oxygen transport proteins that contain heme B. The peroxidase family of enzymes also contain heme B.