(a) State the . β†’ Temperature (b) State two variables to keep constant. β†’ pH, potato mass, Hβ‚‚Oβ‚‚ volume (c) The foam height at 50Β°C is less than at 30Β°C. Suggest why. β†’ Enzyme denatured at high temperature. (d) Suggest one way to improve the accuracy of the foam measurement. β†’ Use a ruler to measure height from the same point each time, or use a gas syringe.

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Biology Practicals O Level πŸ†“ 🌟

(a) State the . β†’ Temperature (b) State two variables to keep constant. β†’ pH, potato mass, Hβ‚‚Oβ‚‚ volume (c) The foam height at 50Β°C is less than at 30Β°C. Suggest why. β†’ Enzyme denatured at high temperature. (d) Suggest one way to improve the accuracy of the foam measurement. β†’ Use a ruler to measure height from the same point each time, or use a gas syringe.