Review

6. This cell structure acts as a partially permeable membrane
8. Egg cells store food in their cytoplasm, this is a feature of cell ____________
9. When an enzyme is heated beyond its optimal temperature, it becomes ________
10. A temporary arm-like projection usually found in unicellular organisms such as the amoeba
16. A large, permanent structure found in plant cells that contains cell sap
17. A hormone involved in controlling blood glucose level
18. The type of respiration that requires oxygen
20. The process of maintaining a stable internal environment despite changes to the external environment
21. The disease in which a person's blood cannot clot easily
22. One large substrate attaches to this type of enzyme
23. Amino acids are used to make ________
25. The body's reaction to being too cold

1. The breakdown of food
2. The yellow liquid found in blood
3. When we breathe in, the intercostal muscles ________
4. The uptake of particles by cells against a concentration gradient
5. Vitamin A found in carrots, promote good ________
7. Prevents the backflow of blood
9. When the heart muscles are relaxed
11. The carbohydrase enzyme found in saliva that breaks starch down into sugar
12. The _________ system is made up of the brain, spinal cord and nerves
13. This enzyme helps breakdown hydrogen peroxide into water and oxygen
14. Proteins are made in this cell organelle
15. A product of fermentation
19. When too much water goes into the cell and it swells too much and bursts
24. Visking tubing is used to demonstrate this process