This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Chemistry of Lipids, Subject name: Biochemistry
[{'content': 'Which of the following phospholipid is predominantly found in the inner mitochondrial membrane? \nSelect and explain. \nA. Cardiolipin, B. Cephalin, C. Lecithin, D. Sphingomyelin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cardiolipin: Diphosphatidyl glycerol i.e. 2 phosphatidic acid moieties attached to glycerol. Found in inner mitochondrial membrane. Physiological role: Increases the efficiency of the oxidative phosphorylation by acting as proton trap. Involved in signalling of apoptosis (programmed cell death). Anticoagulant Pathological role: Bah syndrome - defective biosynthesis of Cardiolipin. Antiphospholipid syndrome thrombotic condition leading to aboion. Anti-cardiolipin antibodies are found.', 'role': 'assistant'}]