Basics of Cellular Respiration
Key Stages of Cellular Respiration
Reactants and Products
Oxygen and Energy
100

What is the main purpose of cellular respiration?

To produce energy for the cell.

100

What is the first stage of cellular respiration called?

Glycolysis

100

What is the main fuel for cellular respiration?

Glucose

100

Is cellular respiration aerobic or anaerobic?

Aerobic

200

In which cell organelle does cellular respiration mainly take place?

Mitochondria

200

What is the name of the second stage of cellular respiration?

Citric Acid Cycle

200

What are the three main products of cellular respiration?

ATP, carbon dioxide, and water.

200

What happens if there is no oxygen for cellular respiration?

The cell goes through anaerobic respiration or fermentation

300

What molecule is the primary energy currency of the cell?

ATP (Adenosine Triphosphate)

300

What is the third and final stage of cellular respiration?

Electron Transport Chain

300

How many molecules of ATP are typically produced from one molecule of glucose?

36-38 ATP molecules.

300

What type of respiration happens in muscle cells when there’s no oxygen?

Lactic acid fermentation

400

Which gas is used in cellular respiration?

Oxygen

400

In which part of the cell does glycolysis happen?

In the cytoplasm

400

What does glucose break down into during glycolysis?

pyruvic acid

400

What is the total number of ATP produced in anaerobic respiration?

2 ATP

500

Which gas is produced as a waste product in cellular respiration?

Carbon dioxide

500

Where do the Electron Transport Chain occur?

In the mitochondria

500

What molecules carry electrons to the Electron Transport Chain?

NADH and FADH2


500

Why do cells need ATP?

ATP provides energy for various cell processes