This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: DNB 2018, Subject name: Biochemistry
Cereal are deficient in which amino acid: 
Select and explain. 
A. Leucine, B. Lysine, C. Phenylalanine, D. Tryptophan
B: Lysine
Answer: B: Lysine 
Explanation: Cereal are deficient in lysine and threonine Pulses are deficient in methionine