A national government wants to evaluate whether economic gro…

A national government wants to evaluate whether economic growth has translated into improved well‑being and sustainability across different regions within the country. Which approach BEST reflects the appropriate use of sustainable development indicators across scales?

  Samples of DNA were isolated from four different individua…

  Samples of DNA were isolated from four different individuals and each sample was digested by the same restriction enzymes. Gel electrophoresis was used to separate the resulting DNA fragments and the results are shown above. These data best support which of the following hypotheses?

Six AP Biology students have taken samples of their own chee…

Six AP Biology students have taken samples of their own cheek cells, purified the DNA, and used restriction enzyme known to cut at zero, one, or two sites in a particular gene of interest. Analysis of the data obtained shows that two students each have two fragments, two students each have three fragments, and two students each have one only. What does this demonstrate?