text: The run-time of this procedure is measured by k, the clearing factor.
full_question: The run-time of this procedure is measured by k, the clearing factor. Cesium chloride is used in theisopycnic form of this procedure, enabling identification of the AT to GC base pair ratio. A buffered tissuesample may be blended to homogenize the solution before performing the "ultra" type of this technique.Ribosomal subunits are distinguished based on their values for a parameter in this technique measured in(*) Svedberg units. This step of the cell fractionation process sediments a solution into a pellet and a supernatantand is often performed at 1200 rpm. For 10 points, name this technique in which a namesake machine separatescellular components by size or density by spinning it at a high angular velocity
first_sentence: The run-time of this procedure is measured by k, the clearing factor.
raw_answer: centrifugation [or word forms such as centrifuge; prompt on spinning down; prompt on sedimentation until it is read