Review

4. Visking tubing is used to demonstrate this process
6. The uptake of particles by cells against a concentration gradient
10. A large, permanent structure found in plant cells that contains cell sap
13. The _________ system is made up of the brain, spinal cord and nerves
14. This cell structure acts as a partially permeable membrane
15. A temporary arm-like projection usually found in unicellular organisms such as the amoeba
16. A product of fermentation
17. The process of maintaining a stable internal environment despite changes to the external environment
20. Vitamin A found in carrots, promote good ________
22. Egg cells store food in their cytoplasm, this is a feature of cell ____________
24. The breakdown of food
25. When we breathe in, the intercostal muscles ________

1. This enzyme helps breakdown hydrogen peroxide into water and oxygen
2. The carbohydrase enzyme found in saliva that breaks starch down into sugar
3. The disease in which a person's blood cannot clot easily
5. One large substrate attaches to this type of enzyme
7. When the heart muscles are relaxed
8. When too much water goes into the cell and it swells too much and bursts
9. Prevents the backflow of blood
11. The type of respiration that requires oxygen
12. When an enzyme is heated beyond its optimal temperature, it becomes ________
15. Amino acids are used to make ________
18. The yellow liquid found in blood
19. Proteins are made in this cell organelle
21. A hormone involved in controlling blood glucose level
23. The body's reaction to being too cold