Biod 171 Final Exam Study Guide Set Questions And Answers

What are the 5 steps to infection? {Ans: 1. enter the host 2. adhere to host tissues 3. invade tissues and obtain nutrients 4. replicate while warding off immune defenses 5. transmit to a new host}What is a facultative anaerobe? {Ans: A facultative anaerobe is capable of growth under both aerobic (with oxygen) and anaerobic (in the absence of oxygen) condition.}What are the steps for the lytic pathway? {Ans: attachment entry replication assembly release}What are the different classes of enzymes? {Ans: 1. Oxidoreductases 2. Transferases 3. Hydrolases 4. Lyases 5. Isomerases 6. Ligases}What is an oxidative-reduction reaction? {Ans: metabolic reaction that transfers electrons}What is the difference between pathogenicity and virulence? {Ans: pathogenicity- ability of a microbe to cause disease (yes or no question) virulence- ease of pathogen to infect host and cause disease}