1 1 vote $2$-mercaptoethanol breaks the $\_\_\_\_\_\_\_$ covalent bond between light and heavy chains of an immunoglobulin molecule. $\text{C-N}$ $\text{N-O}$ $\text{S-C}$ $\text{S-S}$ Immunology gatebt-2024 immunology biochemistry antibody-structure-and-function + – admin 3.0k points answer comment Share Follow 0 reply Please log in or register to add a comment.