UMUC BIOL302 final exam october 2015

Question 1 (14.286 points) Question 1 UnsavedDescribe three differences between RNA and DNA with respect to their chemical structure and structure. Provide a detailed description of each characteristic you chose in your response.Question 1 options:Spell checkSaveQuestion 2 (14.286 points) Question 2 UnsavedDiscuss the process of animal viral replication in the host cell with emphasis on the attachment, penetration, biosynthesis, assembly, and release phases of the cycle. (hint: be sure to explain your answer and not just list the steps)Question 2 options:Spell checkSaveQuestion 3 (14.286 points) Question 3 UnsavedYou have a pet ferret with an unknown illness. Apply Koch’s postulates to prove that a specific bacterial species is responsible for the ferret’s illness. Describe how you would set up experiments to specifically address each postulate for your sick ferret.Question 3 options:Spell checkSaveQuestion 4 (14.286 points) Question 4 UnsavedTwo months ago (at the start of Flu season) you decide to get a flu vaccine shot from your doctor. Your roommate decides not to get the flu vaccine this year because she got one last year. Two weeks ago you were both exposed to the flu – now you feel great and your roommate is laid up in bed sick with the flu. Based on your knowledge of vaccinations and viral antigenic variation, explain why your roommate’s increased susceptibility to the flu? Why did her shot from last year not work and your shot from this year did work? Be detailed in your response and describe how influenza virus must have interacted with each of you based on the information provided in the scenario.Question 4 options:Spell checkSaveQuestion 5 (14.286 points) Question 5 UnsavedDescribe the Gram stain technique and the effect on Gram-positive and Gram-negative bacteria after each step. Be very specific about what is happening at each step and why it happens. (hint: be sure to fully explain your answer and NOT just list the steps)Question 5 options:Spell checkSaveQuestion 6 (14.286 points) Question 6 UnsavedFully describe the process of Bacterial cell translation, including a discussion of the specific roles of – ribosomes, codons, tRNA, mRNA and amino acids in this process.Question 6 options:Spell checkSaveQuestion 7 (14.286 points) Question 7 UnsavedDescribe the debate between theory of spontaneous generation and biogenesis. Explain how Louis Pasteur’s experiment with the S-neck flasks in the 1800’s resolved this debate. Include a detailed description of Pasteur’s experiment and an analysis of how it was able to prove one theory over the other.