This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Proteins and Amino Acids, Subject name: Biochemistry
Bend of DNA is made of which amino acid 
Select and explain. 
A. Glycine, B. Alanine, C. Cysteine, D. Lysine
A: Glycine
Answer: A: Glycine 
Explanation: Ans. (a) Glycine* Most abundant amino acid in bend/turn is proline > Glycine.* Since proline is NOT given in option, glycine is our next best choice.