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6. What do viruses consist of?

  • Some genetic material (DNA or RNA) inside a protein case
  • Protein
  • Atoms

7. How are cells formed?

  • From pre-existing cells during cell division
  • Growing

8. What is the basic 'unit' of life?

  • Things
  • The cell
  • Atoms

9. Which has a protein outer coat instead of a cell wall?

  • Bacteria
  • Virus
  • Yeast

10. How does a light microscope work?

  • Passes light through material on a glass slide
  • Beam of electrons
  • Lenses

11. Do all cells have the same basic chemical composition?

  • Yes
  • No

12. In comparison to yeasts, viruses are...

  • Smaller
  • Larger
  • The same size

13. What are all living organisms composed of?

  • Millions of cells
  • Atoms
  • One or more cells
  • One cell

14. What is thought to be the earliest forms of life?

  • Bacteria
  • Yeasts
  • Mirco-organisms
  • Viruses
  • Cells

15. Which has greater magnification, electron or light microscope?

  • Electron microscope
  • Light Microscope

16. What produces inside a host cell?

  • Viruses
  • Bacteria
  • Yeasts

17. What are the smallest forms of life? (so simple it's uncertain as to whether they are living things)

  • Yeasts
  • Cells
  • Viruses
  • Bacteria

18. How do bacteria reproduce?

  • Asexually by dividing into 2
  • Asexually by budding
  • Inside a host cell