Recommended

Respiration of Sugars by Yeast

Experiment #12A from Biology with Vernier

In this experiment, you will

• Use a CO₂ Gas Sensor to measure concentrations of carbon dioxide.
• Determine the rate of respiration by yeast while using different sugars.
• Determine which sugars can be used as a food source by yeast.

Recommended

Sugar Fermentation

Experiment #12B from Biology with Vernier

In this experiment, you will

• Use a Gas Pressure Sensor to measure the pressure change caused by carbon dioxide released during fermentation.
• Determine the rate of fermentation.
• Determine which sugars yeast can metabolize.

RecommendedInquiry

Cellular Respiration

Experiment #9 from Investigating Biology through Inquiry

In this Preliminary Activity, you will use a CO₂ Gas Sensor to determine the respiration rate of peas. After completing the Preliminary Activity, you will first use reference sources to find out more about peas, seeds, germination, and cell respiration before you choose and investigate a researchable question dealing with the cell respiration. Some topics to consider in your reference search are:

• peas
  
• seeds
  
• germination
  
• cell respiration
  
• carbohydrates
  
• glucose
  
• dormant
  

RecommendedInquiry

Sugar Metabolism with Yeast (Carbon Dioxide Gas)

Experiment #10A from Investigating Biology through Inquiry

In the Preliminary Activity, you will use a CO₂ Gas Sensor to determine the rate of respiration of glucose by yeast.

After completing the Preliminary Activity, you will first use reference sources to find out more about sugars, respiration, and yeast before you choose and investigate a researchable question dealing with the respiration of sugars by yeast. Some topics to consider in your reference search are:

• sugars
  
• carbohydrates
  
• monosaccharides
  
• disaccharides
  
• polysaccharides
  
• yeast
  
• glycolysis
  
• metabolism
  
• aerobic respiration
  
• anaerobic respiration
  

RecommendedInquiry

Fermentation with Yeast

Experiment #11 from Investigating Biology through Inquiry

In this Preliminary Activity, you will use a Gas Pressure Sensor to monitor the pressure inside a conical tube as yeast metabolizes glucose anaerobically. When data collection is complete, you will perform a linear fit on the resultant graph to determine the fermentation rate.

After completing the Preliminary Activity, you will first use reference sources to find out more about sugar fermentation by yeast before you choose and investigate a researchable question dealing with fermentation. Some topics to consider in your reference search are:

• sugars
  
• glucose
  
• monosaccharides
  
• disaccharides
  
• fermentation
  
• anaerobic respiration
  
• aerobic respiration
  
• yeast
  
• enzyme
  
• substrate
  
• enzyme inhibitor