Biology Crossword

2. All of the chemical reactions that take place inside living cell
5. Organelle that modifies and packages proteins
7. An animal that is dependent on external sources of body heat
8. A site elsewhere on the enzyme that is not its active site
11. Form of glucose with a hydroxyl group that points "downwards", away from the ring
13. The removal of metabolic waste from the body
15. Transfer by physical contact
17. The process by which a liquid turns into a gas
18. Pentose sugar found in DNA
19. Organisms that rely on metabolic reactions to regulate its body temperature

1. Organisms that rely on external sources of heat to regulate its body temperature
3. The maintenance of the body's constant blood temperature
4. Transfer to the air
6. Variation the differences between any two species
9. If wastes are not excreted, they will become ____ to the cells
10. The homeostatic mechanism in which the response acts in the opposite direction to the stimulus
12. Transfer by EM wave
14. Toxic nitrogeneous waste made from ammonia by the liver, excreted in urine
16. The maintenance of a constant internal environment despite internal or external changes
19. Elimination of faeces from the body