Question

A student creates a yeast solution in a test tube by adding a packet of yeast, water,

and glucose. The student pours a thin layer of oil on top of the solution to prevent
oxygen from entering the solution.
Which measurement will determine if the yeast is performing anaerobrespiration
instead of aerobic respiration?
A amount of carbon dioxide produced in the solution after one hour
B amount of alcohol produced in the solution after one hour
C amount of lactic acid produced in the solution after one hour
D amount of oxygen produced in the solution after one hour

Answer 1

The amount of alcohol produced in the solution after one hour determines if the yeast is performing anaerobic respiration instead of aerobic respiration.

Step-by-step explanation:

The measurement that will determine if the yeast is performing anaerobic respiration instead of aerobic respiration is the amount of alcohol produced in the solution after one hour. When yeast undergoes anaerobic respiration, it produces alcohol as a byproduct, whereas in aerobic respiration, carbon dioxide and water are produced. The presence of alcohol indicates that the yeast is utilizing anaerobic respiration.

Learn more about Yeast respiration