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.
1 A qualifying dependent must be a U.S. citizen, U.S. national, or a resident of the U.S., Canada, or Mexico. 2  A spouse can never be a dependent. 3  If you can be claimed as a dependent on someone elseâs tax return, you cannot claim anyone as a dependent.