Short programming assignment. implement heapsort. for variously-sized arrays of random integers, determine what percentage of the total sort time is spent in the heap-building phase. construct a table showing the results.

Which best describes the role or restriction enzymes in the analysis of edna a. to break dna into fragments that vary in size so they can be sorted and analyzed b. to amplify small amounts of dna and generate large amounts of dna for analysis c. to purify samples of dna obtained from the environment so they can be analyzed d. to sort different sizes of dna fragments into a banding pattern that can be analyzed