This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Blood Physiology, Subject name: Physiology
Heme is synthesized in which pa of the erythroblastic cells? 
Select and explain. 
A. Golgi complex, B. Ribosomes, C. Endoplasmic reticulum, D. Mitochondrial matrix
D: Mitochondrial matrix
Answer: D: Mitochondrial matrix 
Explanation: Heme is synthesized paly in mitochondria and paly in cytoplasm. It is synthesized from glycine and succinyl CoA.