Microbiology What will happen to DNA if salt is added to it: (PGI Dec 2008) A Increase Melting point (Tm) B Decrease Tm C Not affect Tm D Melting lead to denaturation of DNA 💡 Explanation What will happen to DNA if salt is added to it: (PGI Dec 2008) ✓ Correct Answer: A. Increase Melting point (Tm)