You will be given a definition of a task first, then some input of the task.
In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

This technique can be followed up by ethidium bromide staining which allows easy visualization of the resulting bands. The namesake component in this procedure must be covered with tris acetate buffer and ladders must be placed in the end wells to allow comparison. Polyacrylamide may used to produce the matrix when the samples are small, though agarose is more commonly used. For 10 points, identify this technique wherein an electric field separates DNA molecules according to size as they travel to the positive electrode.
Output:
Science