Labeling Quiz

Where does the link reaction occur in the cell?

• Cytoplasm

• Mitochondrial matrix

• Nucleus

• Golgi apparatus

What is dehydrogenation in the context of the link reaction?

• The removal of hydrogen from a molecule

• The addition of hydrogen to a molecule

• The removal of oxygen from a molecule

• The addition of oxygen to a molecule

What is the location of the link reaction in cellular respiration?

• Cytoplasm

• Mitochondrial matrix

• Inner mitochondrial membrane

• Outer mitochondrial membrane

Dehydrogenation in the context of the Krebs cycle refers to:

• The addition of hydrogen to a molecule

• The removal of hydrogen from a molecule

• The conversion of ADP to ATP

• The breakdown of glucose into pyruvate

What are the inputs for the link reaction and Krebs (TCA) Cycle?

• Pyruvate

• NAD+

• Coenzyme A

• ADP

What are the outputs of the link reaction and Krebs (TCA) Cycle?

• Carbon Dioxide

• NADH

• ATP

• FADH2

Pyruvate is produced during which metabolic process?

• Glycolysis

• Krebs Cycle

• Electron Transport Chain

• Photosynthesis

In decarboxylation CO₂ is removed, where does it go?

• It is released into the atmosphere

• It is stored in the cell

• It is converted into energy

• It is used in photosynthesis

Name the enzyme used to remove CO₂ groups.

• Decarboxylase

• Amylase

• Lipase

• Protease

For each molecule of glucose, how many molecules of NAD are reduced inside the mitochondrion?

• 2

• 4

• 6

• 8