Across
- 2. Something put into a system
- 5. Take away or alter qualities
- 9. An arrangement or organization of parts to form a system
- 10. A new cell that is produced from cell devision
- 11. A purpose intended for a person or thing
- 13. Process that breaks Down organic molecules into simpler substances
- 15. Oxygen used to make energy from carbohydrates
- 21. Self regulating process where biological systems maintain stability while adjusting to conditions
- 26. Process by which DNA makes a copy of itself
- 27. Energy production in a cell without oxygen
- 28. Structures within a cell nucleus that contain DNA
- 29. Too much of one species
- 30. Specific sequences of DNA that code for proteins
Down
- 1. What comes out of a system
- 3. Weak attractions between the nitrogenous bases of the DNA strands
- 4. Organisms that obtain nutrients from consuming other organisms
- 6. an organism composed of many cells
- 7. Carries genetic blue print for living organisms
- 8. Substance that has a molecular structure consisting of a large number of similar units bonded together
- 12. A cell that devides to produce new cells
- 14. similar to DNA but usually single stranded
- 16. One species devides into more through evolution
- 17. Can be bonded to other identical molecules to form a polymer
- 18. When a single cell devides into two identical daughter cells
- 19. The same
- 20. Increases the rate of chemical reaction without undergoing any permanent chemical change
- 22. Organism that produces its own food
- 23. Flow of genetic information within a biological system
- 24. Having two complete sets of chromosomes in an organisms cells
- 25. A molecule that is produced by a living organism