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A purified BamHI-cut DNA fragment is end-labeled (i.e. only the terminal 5′ phosphate from each strand is labelled) and partially digested with the enzyme DpnI. The reaction conditions were such that each DNA molecule, if cut at all, is cut only once. The resulting DNA fragments were electrophoresed on an […]

Question 1: Research 5-8 species within one Family of birds. Be sure to use primary or very good secondary literature for your information. Give a brief description of each species based upon the characteristics below. Construct a table(s) or cladogram(s) showing the similarity of those species in regard to the […]

Describe how you would identify E. coli mutants that cannot utilize galactose as a carbon (energy) source. You are given a test tube containing E. coli grown under full nutrition, a spreader, filter paper, Petri plates with agar gel containing various nutrients, and an incubator. There are two kinds of […]

Short Answer Questions: 1. a) A badger living in Oklahoma could hunt for either scorpions or ground squirrels (or both). Scorpions provide only 10 calories each, but require only 2 minutes to find, on average, with an additional 3 minutes to remove the stinger; ground squirrels offer 1000 calories, but […]