This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Not a haemoprotein ? 
Select and explain. 
A. Albumin, B. Myoglobin, C. Cyt P450, D. Cyt C
A: Albumin
Answer: A: Albumin 
Explanation: Ans. is 'a' i.e., AlbuminHemoproteins are proteins which have heme as prosthetic group.Impoant hemoproteins are hemoglobin, myoglobin, cytochromes (cytochrome C, cytochrome P459),catalase, peroxidase, tryptophan pyrrolase and nitric oxide synthase.