AP Biology - Molecular Genetics 2 Essay questions Chapter 18 1. Draw, list and describe the parts of a virus. 2. Explain why viruses are “obligate intracellular parasites”. 3. Explain how a virus identifies a host cell. 4. Describe bacterial defenses against phages. 5. Compare and contrast lytic and lysogenic viral reproductive cycles. 6.
AP Biology AP Lab II Analysis 1.What did you observe in this lab? I observed a notable increase in the amount of hydrogen peroxide that was missing from the solution after the enzyme had been allowed to catalyze the decomposition of hydrogen peroxide into water and hydrogen gas.