<p>Name Period Date Eukaryote, Prokaryote, Virus: 1. What is a prokaryote?</p><p>2. What is a eukaryote?</p><p>3. What is a virus?(see page 482)</p><p>Why can’t antibiotics kill a virus?</p><p>Video 1: Body Story Spreading Menace 1. Was Mike infected by a prokaryote, eukaryote, or virus? Explain.</p><p>2. How could Mike’s wife have destroyed the pathogen?</p><p>3. What happens to most of the pathogens once they reach Mike’s stomach.</p><p>4. During the early hours of infection, what happens to the population of pathogens in Mike’s gut?</p><p>5. What triggers Mike’s immune system to produce and deploy macrophages?</p><p>6. How did Mike’s body attempt to eject the pathogen? List at least two strategies and use scientific terms to describe how each is achieved.</p><p>7. Why does Mike become dehydrated? Explain.</p><p>8. Why does the video refer to diarrhea pills as, “Just a quick fix?” Why is Mike at a disadvantage after taking the diarrhea pills?</p><p>9. What do Mike’s immune system, “Helper cells,” do? What cells do they help?</p><p>10. What happens to the photographer who gets the Ben’s Hens job? Video 2 Body Snatchers 1. What nonspecific defenses are Holly’s first line of defense against the virus?</p><p>2. How does the flu virus, “trick,” a cell in order to infect it?</p><p>3. What makes Holly’s throat red and irritated?</p><p>4. What do interleukins do?</p><p>5. What do dendritic cells do?</p><p>6. How does the T-cell become an effective fighter in the battle against the virus.</p><p>7. Why is coughing a sign that Holly’s body is winning the battle?</p><p>8. Where do antibodies come from and what do they do?</p><p>9. What are memory cells? What do they do? </p><p>10. Holly has memory cells to protect against Influenza B. Is she immune forever? Explain.</p><p>Follow up questions: 1. Was Holly infected by a eukaryote or a prokaryote? Explain.</p><p>2. Who would have most benefited form an antibiotic, Holly or Michael? Explain.</p>