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: Pediatrics
True about cow\'s milk are all except – 
Select and explain. 
A. Cow's milk contains 80% whey protein not casein, B. Cow milk has less carbohydrate than mothers milk, C. Has more K+ and Na+  than infant formula feeds, D. All of the above
A: Cow's milk contains 80% whey protein not casein
Answer: A: Cow's milk contains 80% whey protein not casein 
Explanation: Whey protein constitutes 80% of the protein in human milk, while the main protein in cow's milk is casein
Table : Compariso, of human milk and cow's milk