Question: 1. What is the ratio of the average kinetic energy of SO2 molecule to that of an O2 molecule in a mixture of two gases? What is the ratio of the root mean square speeds, urms, of the two gases? 2. A 0.245-L flask contains 0.467 mol CO2 at […]

1. How much 4X SDS-PAGE sample buffer do you need to add to 10 ul of a cell extract to run it out on an polyacrylamide gel? 2. You wish to plate out 5 x 104 lymphocytes in a total of 2 ml for a focus forming assay. You dilute […]

Lillian Brown is an 80-year-old widow who lives in an older adult community. She lives alone and is independent in her daily activities, including driving. Her 55-year-old daughter lives nearby, phones daily, and visits frequently. Lillian has been remarkably healthy over the years despite her smoking for 60 years. She […]

Consider a species of dinosaurs and assume that females are XX and males are XY. Further assume that black scales, B, is a sex-linked dominant trait and that green scales, b, is the recessive trait. The gene resides on the X gene only. A female dinosaur with black scales and […]