Cellular Respiration Concepts

The video explains how food, like a potato, provides energy through cellular respiration. It details the process of cellular respiration, which converts glucose into ATP, the cell's energy currency, through glycolysis, the Krebs cycle, and oxidative phosphorylation. The video also covers the role of enzymes, the electron transport chain, and the importance of oxygen in ATP production. By-products like CO2 and water are discussed, along with the energy yield of cellular respiration.

What is the primary way the body generates energy from food?

• Combustion

• Fermentation

• Cellular respiration

• Photosynthesis

What is the chemical equation for cellular respiration?

• C6H12O6 + 6O2 → 6CO2 + ATP

• C6H12O6 + 6O2 → 6CO2 + 6H2O + ATP

• C6H12O6 + 6O2 → 6CO2 + 6H2O

• C6H12O6 + 6O2 → ATP + 6CO2 + 6H2O

What is ATP often referred to as in the context of cellular energy?

• Energy reserve

• Energy vault

• Energy currency

• Energy bank

Which of the following is NOT a step in cellular respiration?

• Krebs Cycle

• Glycolysis

• Oxidative Phosphorylation

• Photosynthesis

What is the main product of glycolysis?

• Lactic acid

• Acetyl CoA

• Citric acid

• Pyruvate

Where does the Krebs Cycle occur within the cell?

• Ribosome

• Nucleus

• Cytoplasm

• Mitochondria

What are NADH and FADH2 primarily used for in cellular respiration?

• Storing glucose

• Breaking down proteins

• Generating ATP

• Transporting oxygen

What is the final electron acceptor in the electron transport chain?

• ATP

• Oxygen

• Water

• Carbon dioxide

What is the role of ATP synthase in cellular respiration?

• Breaking down glucose

• Transporting electrons

• Producing oxygen

• Converting ADP to ATP

What effect does cyanide have on cellular respiration?

• Blocks electron transfer to oxygen

• Speeds up the Krebs cycle

• Enhances glycolysis

• Increases ATP production