The lac repressor is made up of four identical polypeptides (thus a homotetramer). Part of the molecule has a site (or sites) that enable it to recognize and bind to the 24 base pairs of the lac operator. Another part of the repressor contains sites that bind to allolactose.
A âdependentâ is identified from the relationship between the parent and the child. It includes any child up to the age of 26, whether that child is married, a student, is employed, and/or has coverage available through a non-parent.** Spouses and children.
3. The dependent can be married, but canât file as âmarried filing jointlyâ with his or her spouse. As an example, if Sarah were married when she moved in with her mother, she and her husband must file separately in order for Sarahâs mother to claim her as a dependent.