This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Carbohydrates, Subject name: Biochemistry
Glucagon receptors are NOT found in which organ: 
Select and explain. 
A. Cornea, B. Kidney, C. Stomach, D. Adrenal gland
A: Cornea
Answer: A: Cornea 
Explanation: Ans. (a) CorneaRef: Harper's Biochemistry, 30 edn. pg. 140th* Glucagon receptors are mainly expressed in liver and in kidney with lesser amounts found in heart, adipose tissue, spleen, thymus, adrenal glands, pancreas, cerebral cortex, and gastrointestinal tract.