Name _____________________________________________________________Date ________________ Period _____ Comparing Bacteria and Viruses review sheet 1. What is the name of the smallest and simplest cells? 2. What is the ancient version of these cells called? 3. Are bacteria multicellular or unicellular? 4. How do bacteria reproduce? 5. What are the two kingdoms of prokaryotes? 6. What do bacteria use to move? 7. What do bacteria have surrounding their cell membrane? 8. Draw and label the three shapes of bacteria 9. What are the two main parts of a virus? 10. What part of a virus allows it to attach to a cell? 11. How do viruses reproduce 12. What are the two types of nucleic acids which viruses may have? 13. What type of virus infects bacteria? 14. What is used to fight a bacterial infection? 15. What is used to prevent a viral infection? 16. If an antibiotic is no longer able to kill a bacteria cell, the bacteria has developed ___________________________ 17. What was the name of the first antibiotic? 18. Who developed the first antibiotic? 19. Can you use antibiotics to treat a viral infection? Why or why not? 20. Which part of the fungus is used for feeding? Reproduction? 21. List 3 products made from fungi. Compare and contrast Bacteria and viruses Answer the following questions with yes, no, or some. Question Protist Prokaryote 1. Is it made of a cell or cells? 2. Does it have a nucleus? 3. Is it considered living? 4. Can it move on its own? 5. Can it reproduce or replicate? 6. Can it reproduce or replicate on its own? 7. Does it have DNA ? 8. Does it have organelles? 10. Does it have a cell wall 11. Do the organelles have membranes? 12. Does it have ribosomes? 13. Does it have cytoplasm? 14. Does it have chloroplasts? Virus 15. Does it have mitochondria? 16. Is it an autotroph? 17. Is it a heterotroph? 18. Is it multicellular? 19. Is it unicellular? 1. Circle the correct answer to the following questions: What type of infectious agent causes malaria? a) virus b) fungus c) bacterium d) protist 2. Circle the correct answer to the following questions: Antibiotics would be effective against which disease? a) the flu b) the common cold c) strep throat d) smallpox 3. Why are viruses considered an exception to the cell theory? 4. How does a vaccine help prevent disease? 5. The flu and common cold are caused by a (circle one): virus 6. Define a) lytic: bacteria. b) lysogenic: 7. HIV is a retrovirus. How does it infect human cells? 8. Discuss why a flame isn’t considered a living organism. You must reference 4 of the characteristics of life in your answer. 9. List common characteristics of bacteria (i.e. cell type, cellular organization, modes of nutrition…). 10. What is the major difference(s) between Archaebacteria and Eubacteria? 11. Explain how the cell type in prokaryotes differs from that in eukaryotes. 12. Describe the possible arrangements of bacterial cells and include the prefixes that describe these arrangements. Draw an example of each. 13. Make a chart listing the positive and negative contributions of bacteria to ecosystems. 14. Explain why certain viruses can only infect certain, specific types of host cells. 15. What is a protist? 16. List common characteristics of Kingdom Protista. 17. What are the three types of protists? How are they grouped into these categories? 18. Draw and list an example of a protist with cilia, flagella, and a pseudopod. 19. Make a chart listing the positive and negative contributions of protists to ecosystems. 20. What are the characteristics of fungi? 21. Name the fungus that’s unicellular. 22. What is a decomposer? 23. What are hyphae? Mycelium? 24. List 3 fungal diseases. 25. Using the four kingdoms we have learned about so far, put them in evolutionary order and explain how they evolved. 26. Give examples of how living things respond to stimuli.