Q1. What kind of cell communication is said to ovvur if the cell sevretes the growth factor that then acts on neighbouring cells to cause them to proliferate? Q2. Testosterone and estrdiol are male and female sex hormones, respectively, in many vertebrates. In what ways do these molecules be different? […]

Mouse L-cells have proven to be an extremely useful model system for investigating the properties of cadherins because they do not normally express any cadherins. If different population of L-cells are transfected with vectors expressing one or the other of two different cadherins, and are the dissociated and mixed together, they segregate into two separate […]

One of the most controversial moral and ethical dilemmas of the President George W. Bush’s campaign to be re-elected focused on stem cells. Stem cells have the ability to become or differentiate into any type of cell. If you had the power to become a stem cell and have unlimited […]

You are to choose an article from the CSU Online Library database. The article may cover a topic presented in this unit. The article itself must be more than one page in length. Some suggested topics include: environmental case studies, environmental toxicology, environmental chemistry, environmental exposure to pollutants, persistent chemicals […]