You believe that two signaling molecules bind only in the presence of a hormone. To test this hypothesis, your professor asks you to conduct a FRET experiment. You make genes containing BFP or GFP attached to each of your proteins and insert them into the genome of a cell line. BFP can be excited at 440 nm, and emits maximally at 470 nm. GFP is excited at 470 nm and emits maximally at 500 nm. What would be your expected results if your hypothesis is correct

Read the following scenario to answer the following question. over the past 60 years, many amphibian species have experienced significant population declines, and some species have become extinct. scientists suspected that local human activities such as the destruction of wetlands, regional pollution, and deforestation were the main reasons for these losses. however, research over the past 20 years reveals significant amphibian population declines in protected areas of the world, such as nature preserves and parks. these global declines suggest widespread problems including increased ultraviolet radiation, acid rain, and disease. in switzerland, for example, 14 of the 20 native amphibian species are threatened with extinction. when most populations of a wide-ranging amphibian species are lost and the few remaining populations are widely separated, we expect to see that a. the founder effect becomes increasingly important b. microevolution no longer occurs c. gene flow between populations is reduced d. artificial selection becomes a greater factor in microevolution