Answer is a) sequence of amino acids.
I just googled it, you really should ask this in the science/biology section not Math.
I am thinking that the correct answer among the choices presented is option D. The points lie on the line equidistant from the endpoints of AB. <span>The points lie on the line that is the perpendicular-bisector of segment AB. </span>Hope this answers your question.
The standard form would be 602,547
14+44=58 is the correct answer