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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...
10. Scanning electron microscopes produce images that are...
11. Scanning Electron microscopes can magnify up to x100,000
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.
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