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: Biochemistry
Fatty acids can not be utilised by 
Select and explain. 
A. Muscles, B. Heart, C. Liver, D. RBC
D: RBC
Answer: D: RBC 
Explanation: RBC can utilise only glucose even during fasting / starvation.