Cellular Respiration

The end product of glycolysis is...

• ...pyruvate
• ...lactate
• ...NADH
• ...acetyl-CoA

Which of the following is not a product of fermentation?

• ethanol
  
• O2
  
• lactate
• CO2
  

What substance is produced by the oxidation of pyruvate and feeds into the citric acid cycle?

• pyruvate
  
• CO2
• acetyl-CoA
  
• glucose
  

Hans Krebs discovered (worked out the details of)...

• ...glycolysis
  
• ...fermentation
• ...the oxidation of pyruvate
  
• ...the citric acid cycle
  

During aerobic respiration, FADH2 is produced in...

• ...the Krebs cycle
• ...the electron transport chain
  
• ...fermentation
  
• ...glycolysis
  

Organisms that do not have the ability to produce or synthesize their own food are called...

• ...anaerobic
  
• ...catabolic
  
• ...heterotrophs
  
• ...autotrophs
  

What substance is regenerated by fermentation?

• NAD+
  
• O2
• ATP
• Glucose

Each molecule of FADH2 results in the production of how many ATP molecules during aerobic respiration?

• 3
• 2
• 18
• 36

Pyruvate is oxidized when oxygen is present.

• True
• False

During the oxidation of glucose, a net gain of ATP only occurs under aerobic conditions.

• True
• False