Across
- 5. structures within the cell nucleus that contain DNA
- 9. organisms thatuse energy from the sun
- 10. speed up a chemical reaction
- 11. molecule that carries genetic information
- 16. living things live closely together and depend on each other for survival
- 17. an organisms ability to survive and reduce
- 24. building blocks of biomolecules
- 25. a substance that kills or inhibits the growth of bacteria
- 27. the number of living things stay about the same
- 28. change in characteristics *disrupts the function*
- 30. multiple monomers connected together
Down
- 1. something that can prevent a population from growing to big
- 2. specific DNA sequences that are codes for a specific protein
- 3. responsible for photosynthesis
- 4. light absorbing pigment in plants
- 6. when new plants and animals gradually take over an area
- 7. how something works
- 8. maintaining odeal stable conditions
- 12. chemical reactions that do NOT require the presence of oxygen
- 13. the process by wich DNA makes a copy of itself
- 14. the powerhouse of the cell
- 15. molecules that are needed for living things
- 18. refers to gradual chnage in the characteristics of living organisms
- 19. each new DNA molecule consists of one original strand
- 20. a chemical used to kill
- 21. chemical reactions that require the presence of oxygen
- 22. what it looks like
- 23. a molecule similar to DNA but usually single stranded
- 26. bondsweak attractions between the nitrgrnous bases pf the DNA strands
- 29. describes the flow of generic information within a biological system