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
Stability of the toxoid in snake's venom is due to 
Select and explain. 
A. Disulfide bonds, B. Hydrogen bonds, C. Ionic bonds, D. Van der wall's bond
A: Disulfide bonds
Answer: A: Disulfide bonds 
Explanation: None