Understanding Cellular Energy Processes

What is the primary function of ATP in cells?

• To store genetic information

• To store and release energy

• To transport oxygen

• To provide structural support

Which process occurs in the innermost compartment of the mitochondrion?

• Glycolysis

• Fermentation

• Krebs cycle

• Photosynthesis

What is the definition of a calorie?

• The amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius

• The amount of energy needed to break down glucose

• The amount of energy needed to synthesize ATP

• The amount of energy needed to transport electrons

Which process releases energy by breaking down glucose in the presence of oxygen?

• Fermentation

• Photosynthesis

• Cellular respiration

• Glycolysis

What is the term for a process that requires oxygen?

• Anaerobic

• Aerobic

• Fermentation

• Glycolysis

Which process does not require oxygen?

• Aerobic

• Photosynthesis

• Anaerobic

• Krebs cycle

What is the first set of reactions in cellular respiration?

• Krebs cycle

• Fermentation

• Glycolysis

• Electron transport chain

What is the role of NAD+ in glycolysis?

• To store energy

• To carry electrons

• To break down glucose

• To synthesize ATP

What is fermentation?

• A process that requires oxygen to release energy

• A process by which cells release energy in the absence of oxygen

• A process that occurs in the mitochondria

• A process that synthesizes glucose

In which stage of cellular respiration is pyruvic acid broken down into carbon dioxide?

• Glycolysis

• Krebs cycle

• Fermentation

• Electron transport chain