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
First protein to be broken down for energy in prolonged starvation is from? 
Select and explain. 
A. Skeletal muscle, B. Smooth musclesc, C. Kidney, D. Liver
A: Skeletal muscle
Answer: A: Skeletal muscle 
Explanation: Ans. is 'a' i.e., Skeletal muscle Proteins are degraded in Skeletal muscles to liberate amino acids which are utilized for gluconeogenesis.