The lactose permease of E. coli is a protein composed of a single polypeptide that is 417 amino acids in length. By convention, the amino acids within a polypeptide are numbered from the amino terminus to the carboxyl terminus. Are the following questions about the lactose permease true of false? […]

1. Let’s assume for this problem that the world is divided into blue-eyed people and brown-eyed people. Let’s also assume for the sake of simplicity that there is only one gene responsible for eye color and that the allele for brown eyes (B) is dominant over the allele for blue […]

Q1. In a theoretical population, frequency of the B1 allele is 0.5, and the frequency of the B2 allele is 0.5. The B2B2 is a recessive lethal genotype. There are 100 embryos produced. How several are born of each genotype? Q2. Ella is a normal XX girl who is red-green […]

In this module, we learned about the rarity of what Aristotle calls “soul friendship” or what Emerson calls “divine” friendship. Most philosophers concur that cultivating such a friendship requires an openness to it, an awareness that it will not likely occur, and a stringent honesty and affection. In at least […]