Year 9 Biology end of year
Across
- 4. the type of blood cell that contains haemoglobin and carries oxygen around the body
- 7. the type of dish used to grow bacteria
- 8. the type of variation caused by the combination of genes that have been inherited
- 12. resistance when a bacteria can no longer be killed by an antibiotic
- 14. a dead or modified microorganism
- 15. the type of variation that can have any value
- 16. the type of variation that has defined values
- 17. the area around an antibiotic disk where the bacteria are killed
- 21. how clearly the microscope can distinguish two separate points
- 24. the method of obtaining organisms with the desired characteristics that involves breeding
- 27. a short section of DNA that codes for a protein
- 28. a microbe that causes disease
- 29. when someone has _________ to a disease, they can no longer catch it
- 30. The differences between members of the same species
Down
- 1. the liquid that the blood cells travel in
- 2. the type of blood cell that produces antibodies
- 3. the method of transferring a gene form one organism to another
- 5. The impressions that the ridges on fingers leave
- 6. how much bigger the image appears compared to the object
- 9. the location of DNA in a cell
- 10. another name for eggs and sperm
- 11. occurs after death and makes the body go stiff
- 13. the type of variation caused by the environment
- 18. the percentage of genes inherited from the mother
- 19. method used to obtain genetically identical organism
- 20. a long strand of DNA made up of genes
- 22. the doctor who developed the first vaccine against small pox
- 23. a medicine that works by killing bacteria
- 25. blood group is determined by the _________ on the surface of red blood cells
- 26. the people that genes are inherited from