Part B. Short Answer (5 points each)
Answer the questions below as completely and as thoroughly as possible and where appropriate include a specific example to illustrate. Answer the questions using complete sentences. Cite outside sources of information. (2-3 Sentences)
21. An electron micrograph of a cell shows a rigid cell wall, a cytoplasmic membrane, a nonmembrane bound nuclear area, and no endoplasmic reticulum or mitochondria. Explain why the cell is or is not each of the following: a human T cell, a virus, a bacterial cell, a yeast cell.
22. The genome of human immunodeficiency virus (HIV) is comprised entirely of RNA. Describe the process by which HIV is able to insert its RNA genome into the host cell’s DNA and form a provirus.
23. State and describe three (3) different functions of macrophages in the body’s defense against a bacterial or viral infection.
24. Read the following Science Daily article and answer the questions.
University of Medicine and Dentistry of New Jersey (UMDNJ) (12 April 2012). Possible connection between air pollution and tuberculosis susceptibility. ScienceDaily. Retrieved 05 May 2013 from
http://www.sciencedaily.com/releases/2012/04/120413162343.htmhttp://www.sciencedaily.com/releases/2012/04/120413162343.htm
a. What was the purpose of Dr. Schwander’s experiments?
b. What were the independent and dependent variables?
c. What were the results of the experiments?
d. Did the studies demonstrate a connection between exposure to air pollution and the development of tuberculosis? Why or why not?
Part C. Short Essay (10 points each)
Answer the questions below as completely and as thoroughly as possible and where appropriate include a specific example to illustrated. Answer the question in essay form (not as an outline or as bullets) using complete sentences. You may use diagrams to supplement your answers, but a diagram alone without appropriate discussion will not be adequate for full credit. (3-6 sentences)
25. Describe…