1. Circle three ways prokaryote (bacterial) cells differ fromeukaryote (eg human) cells [3]
  2. Cell membrane structure
  3. Structure of chromosomes
  4. Structure of ribosomes
  5. Composition of cytoplasm
  6. Structure of cell wall
  7. DNA code
  8. Match the term to the definition. [5]
  9. Binary fission

    Bacteria take up ‘naked’ DNA and become transformed.

    Lysogenic Conversion

    Cellular reproduction in bacteria

    Transduction

    Sex pilus used to transfer a plasmid between bacteria

    Transformation

    Bacteriophage DNA is incorporated into bacterial chromosomeafter infection

    Conjugation

    Host bacterial DNA is transferred to a new bacteria via abacteriophage

  10. An enzyme is best described as: [1]
  11. A biological catalyst made of protein
  12. A biological catalyst made of DNA
  13. A reactive agent made of protein and DNA
  14. A reactive agent
  15. List the four types of microbes that exist in nature.
  16. What are three methods that can be used to identify types ofbacteria.
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