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.
If youâre single and your parents donât claim you as a dependent, your lumped together exemptions and standard deduction nut is $9,500. If youâre married filing jointly, your exemption/standard deduction nut is $19,000. 1040A. As you add layers to your financial life, the lines on your tax form increase.