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 If the under-26 child is a dependent in the parentâs tax household â and if they have access to a parentâs job-based coverage thatâs affordable and pays for a certain percentage of benefits â they arenât eligible for lower costs on a Marketplace plan. 2  This is because they have access to job-based coverage.