Q1. A scientist produces the artificial membrane from phospholipids and notices that oxygen, but not glucose readily moves through the membrane. What may account for the inability of glucose to move through an artificial membrane?

Q2. Across between short-tailed mouse and a long-tailed mouse yields all short-tailed mice. Crosses among the F1 yield an F2 of 48 short-tailed and 22 long-tailed. Suggest the model to explain and perform a chi-square test of your results.