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
Which of the following is true regarding non-shivering thermogenesis? 
Select and explain. 
A. ATP is burned for heat production, B. Glucose is oxidased to lactate, C. Fatty acids uncouple oxidation from phosphorylation, D. Proteins are broken down to generate heat
C: Fatty acids uncouple oxidation from phosphorylation
Answer: C: Fatty acids uncouple oxidation from phosphorylation 
Explanation: Long chain free fatty acids are examples for physiological uncouplers. They have a role in non-shivering thermogenesis.