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6. SEM stands for

  • Steam electron micrscope
  • Steep electron miscroscope
  • Scanning electron microscope
  • Scanner electron microscopes

7. Electron microscopes can distinguish between objects up to

  • 0.25nm apart
  • 0.1nm apart
  • 2nm apart
  • 0.2nm apart
  • 0.05nm apart

8. Light microscopes usually have 4 objective lenses...

  • x4, x10, x40 and x100
  • x5, x25, x50, x500
  • x5, x10, x50, x100
  • x5, x25, x50, x250

9. Transmission electron microscopes produce images that are...

  • 2D
  • 3D

10. Scanning electron microscopes produce images that are...

  • 3D
  • 2D

11. Scanning Electron microscopes can magnify up to x100,000

  • True
  • False

12. Transmission electron microscopes can magnify up to...

  • 1,000,000x
  • 100,000x
  • 500,000x
  • 250,000x

13. Division of labour is...

  • Each cell is a different size.
  • Each organelle has a special role within the cell.
  • Each cell does a different job.
  • All organelles have the same jobs within the cell.

14. The detail within the structure of a cell is the...

  • exostructure
  • cell membrane
  • cytoskeleton
  • ultrastructure
  • organelles

15. Centrioles

  • Make proteins
  • Make ribosomes
  • form fibres to separate chromosomes in cell division.
  • Perform proteinsynthesis

16. The nucleus

  • 'Houses' the genetic information of the cell
  • is the site of proteinsynthesis
  • Controls what goes in and out of the cell
  • transports proteins
  • Makes lipids

17. The nucleolus makes RNA and ribosomes.

  • True
  • False

18. The golgi apparatus

  • modifies proteins and transports them throughout the cell by dispatching them in vesicles.
  • is the site of proteinsynthesis
  • are empty sacs that fight disease.
  • makes lipids

19. The rough endoplasmic reticulum

  • contains mitochondria
  • packages lipids
  • transports proteins that were made on the attached ribosomes
  • performs lipidsynthesis

20. The smooth endoplasmic reticulum

  • is teh site for photosynthesis
  • is the site for proteinsynthesis
  • is the site for lipidsynthesis
  • is the site for respiration