Viết phương trình mô tả quan hệ vận tốc của những điểm được lựa chọn một cách thích hợp

Stacy works as blank. the most important soft skill she needs for this role is blank.

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

Match the sentence fragment in the first column with the appropriate ending in the second column. a little per favore?