B1 - Cell biology
Across
- 2. Organelles where aerobic respiration occurs.
- 4. Movement of particles from high concentration to low concentration.
- 7. Double helix shaped molecule.
- 8. Type of cell that contains a bound nucleus.
- 9. Single-celled prokaryotic microorganisms.
- 11. Part of a cell that contains the genetic material.
- 17. Change this lens on a microscope to make the image larger.
- 18. Describes a cell adapted to carry out a specific function.
- 21. Fluid-filled space that helps keep a plant cell rigid.
- 23. Movement of water through a partially permeable membrane.
- 25. Structure containing chlorophyll.
- 26. Unspecialised cell capable of developing into different cell types.
- 29. Process by which a cell becomes specialised.
- 30. Biological catalyst.
Down
- 1. Specialised cell that contains haemoglobin.
- 3. A root hair cell has its unique shape to give it a large ....
- 5. Controls the movement of substances into and out of a cell.
- 6. Gas required for aerobic respiration.
- 10. Movement of substances against a concentration gradient using energy.
- 12. Organism made up of only one cell.
- 13. How many times larger an image appears than the real object.
- 14. Site of protein synthesis in a cell.
- 15. Cell division producing two genetically identical cells.
- 16. Specialised cell adapted to contract and produce movement.
- 19. Structure made of DNA. Humans have 46.
- 20. Smallest measurement possible with a measuring device.
- 22. Large molecule made from amino acids.
- 24. The basic unit of all living organisms.
- 27. Instrument used to observe small objects and cells.
- 28. Jelly-like substance where most chemical reactions occur.