1. Cells – Quiz 4 Cell division – Beginning of Enzymes

2. 1- ?

3. 2- What is the role of cell division?

4. 3- ?

5. 4- ?

6. 5-What is an enzyme?

7. 6- What are substrate and products for catalase?

8. 7- What is the property of cell membrane needed for diffusion? 2 words

9. 8- What is used to make parts of the cell more visible?

10. 9- ?

11. 10- What is the store of hereditary information?

12. Answers 1- spindle fibres 2-for growth and cell replacement 3- Centromere 4- Chromatids 5- a biological catalyst / a substance that speeds up a chemical reaction without being used or changed itself 6- Substrate: hydrogen peroxide Products: water and oxygen -7 - Selectively permeable -8- Stains -9- Equator -10- DNA/ Chromosomes