1 The definition of antigen and the chemical characteristics of antigens, The definition of antigen and the chemical characteristics of antigens, haptens and how they become antigenic.2 The life history of T lymphocytes including their origin, migration to the thymus, and attainment of immunocompetence; forms and effects of negative selection; […]

A Bio 5A student has the choice of three types of pigment to study for an exercise in quantitative spectrophotometry. She always liked the bright yellow color of ripe bananas, so the pigment responsible for this color was chosen. A solution comprised of 100 ml acetone and 100 ml H2O […]

Assignment Write in complete sentences. I will take off points for not using complete sentences. You can draw diagrams to supplement your answers. Long answer: 1a. Describe Pasteur’s experiment disproving spontaneous generation. b. How might this experiment have been affected by the presence of endospore contamination in Pasteur’s culture media? […]

1. Is an amnesty program (with a deadline date) the best solution to solving the problem of immigration in America? What will the United States look like without illegal immigrants? (Perhaps examine some of the states with new firm immigration policies for examples). 2. Should the federal government be held […]