TEST TUBE TEMPERATURE 5 °C 37 °C 70 °C Minutes A Blue Blue Blue O min В Blue Blue Blue 3 mins 6 mins 9 mins C Blue Red Blue D Blue Red Blue E Red Red Red 12 mins F Red Red Red 15 mins G Red Redd Red...

Extracted text: TEST TUBE TEMPERATURE 5 °C 37 °C 70 °C Minutes A Blue Blue Blue O min В Blue Blue Blue 3 mins 6 mins 9 mins C Blue Red Blue D Blue Red Blue E Red Red Red 12 mins F Red Red Red 15 mins G Red Redd Red 18 mins TEST TUBE pH level 6.8 8 A Blue Blue Blue В Blue Blue Blue C Blue Red Blue Blue Red Blue E Blue Red Blue Red Red Red Red Red Red 1. Based on your data, what is the optimal temperature for amylase to hydrolyse starch? Explain your observation. 2. How is the activity of amylase affected by different pH levels? 3. What is your rationale about the effects of pH level and temperature on amylase activity?