test for anaerobic respiration

Question 1

aim to investigate anaerobic respiration

Answer 1

by yeast in different conditions by counting the number of CO2 bubbles produced in 1 min

Question 2

Controlled variables when testing anaerobic respiration

Answer 2

• mass of yeast
• volume and concentration of sugar solution
• time for timing

Question 3

potential hazards when testing anaerobic respiration

Answer 3

wear goggles
tie long hair back