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.
Married couples should coordinate their Social Security claiming decisions. Married couples have several Social Security claiming options that aren't available to single people. Some married individuals qualify for spousal payments, and widows and widowers are eligible for survivor's payments if the higher earning spouse passes away first.