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6. Do red blood cells contain a nucleus?
7. Why don’t red blood cells contain a nucleus?
- So they can absorb and transport as much oxygen as possible
- As they do not carry DNA
- So they can absorb and transport as much sugar as possible
- As they carry a cell wall
8. What is the job of the cell membrane?
- It controls what enters and exits
- It controls energy input
9. What shape are red blood cells?
- Disc-shaped, small, round and biconcave
- Flexible, thin and fragile
- Round, flat and biconcave
- Small, disc-shaped and long
10. What do chloroplasts contain?
- Sugar
- Chlorophyll
- Lymphocytes
- Carbon dioxide
11. What is the role of cellulose?
- Sugar absorption
- To provide support for the shape of the cell
- To provide oxygen
12. What is the cell division called in Eukaryotic cells?
- Mitosis
- Respiration
- Osmosis
- Diffusion
13. True or false animal cells have a nucleus?
14. Is there any additional DNA found in a prokaryotic cell?
- Can be found on only one ring called plasmids
- Can be found on a ring called gene band
- Found on one or more rings called plasmids
- No additional DNA
15. Why do white blood cells have a flexible cytoplasm?
- So they can engulf pathogens in phagocytes
- So they can multiply the pathogens in phagocytes
16. What is a specialised cell?
- A cell that carries out a specific role
- A cell that carries a role different from cells nearby
- A cell located in the nucleus that is attached to DNA
17. What is the role of chlorophyll?
- To help osmosis happen faster
- Enables plant to absorb light for photosynthesis and makes plants green
- To enable light absorption and to help mitosis occur
- To resist the suns UV rays
18. What does the nucleus contain?
19. What occurs at the cells cytoplasm?
- Chemical reactions
- Osmosis
- Organisms expand
- Kinetic reactions
20. An example of a specialised cell is...
- Red blood cells and nerve cells
- Brain and heart
