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
Strongest interactions among the following 
Select and explain. 
A. Covalent, B. Hydrogen, C. Electrostatic, D. Van der Waals
A: Covalent
Answer: A: Covalent 
Explanation: Strongest bond - CovalentWeakest bond - Van der wals forcesMoleucular interactionsThere are two types of interactions between molecules that stabilize molecular structures :-i) Covalent bonds, e.g. peptide bonds and disulphide bonds.i) Non-covalent bonds.