1. What is an enzyme?
2. What does the S stand for in MRS GREN?
3. What is the enzyme that catalyses hydrogen peroxide called?
4. What to an enzyme happens if the pH changes?
5. What is diffusion?
6. What is osmosis?

1. When is active transport needed?
2. What do chloroplasts contain?
3. What is the chemical equation of photosynthesis?
4. Which type of respiration is used when there is oxygen available and what is the equation?

1. Word equation for anaerobic respiration in yeast?
2. Where are enzymes found in a cell?
3. Limiting factors of photosynthesis?
4. what substance is carried by xylem?
5. 2 examples of plant gametes
6. Give an example of a multicellular thing

1. What are unspecialised plant cells called?
2. What is a zygote?
3. What grown hormone do plants produce in phototropism?
4. What is produced by mitosis?
5. What is mitosis used for?
6. What is meiosis used for?

1. What does DNA stand for?
2. What is the structure of DNA?
3. What are the 4 bases called in DNA?
4. What are proteins made of?
5. What can DNA do?
6. In stem cells, are all the genes switched on or off?