Across
- 2. Plant cell which has no cytoplasm and no end walls, transports water
- 5. Circular pieces of DNA found in bacteria, can act as a vector to transfer DNA from one organism to another
- 7. Part of the cell that controls the activities of the cell
- 9. Plant and animal cells (__________ cells) have a cell membrane, cytoplasm and a genetic material enclosed in a nucleus
- 13. The reproductive organ of plants
- 15. Simple cell which does not contain a nucleus, bacterial cells
- 16. Where aerobic respiration takes place inside a cell
- 20. This cell contains half the DNA of a normal cell, has lots of mitochondria and digestive enzymes in its head
- 21. Flowers have the primary aim of attracting insects for...
- 23. Cell which contains only half the DNA of a normal cell, not sperm
- 25. Cell which carries oxygen around the body and has a biconcave shape
- 26. This type of microscope has a higher magnification and resolving power than a light microscope
- 28. This blood cell fights disease so it contains lots of digestive enzymes to help get rid of pathogens
- 29. found mostly on the underside of the leaf; allow gas exchange
- 30. Term for a biological catalyst
- 31. This cell transmits nervous impulses around the body and has long fibres so the messages can travel around the body quickly
Down
- 1. Line the wall of the small intestine, create a large surface area for digestion
- 3. Cell type which can make itself shorter to produce movement & contains lots of mitochondria
- 4. Found in plant cells and filled with cell sap
- 6. The cell _________ controls the passage of substances into and out of the cell
- 8. Where most of the chemical reactions take place in a cell
- 10. Absorb light for photosynthesis
- 11. As an organism develops, cells ________ to form different types of cells
- 12. A group of tissues that work together to perform a function
- 14. Different organs working together to perform one or more functions
- 17. The cell wall is found in plant and algal cells and made of _____
- 18. Protein synthesis occurs in
- 19. Process by which food is absorbed across the wall of the small intestine and into the bloodstream
- 21. This cell is found near the top of the leaf of a plant, and contains lots of chloroplasts
- 22. Plant cell which has sieve-like end walls that allow the flow of sugary water through the cells
- 24. This cell type has a large surface area due to hair like projections on its surface, absorbs water and mineral ions
- 27. A group of cells of the same type working together