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.
The one exception is for widows and widowers: the IRS still allows you to file as married (this is typically favorable for most taxpayers). Same sex couples who are married under state law are considered married for federal purposes. This includes not only income taxes but also gift and estate taxes.