Cellular Respiration Quiz

What is the first stage of cellular respiration?

• Krebs cycle

• Glycolysis

• Electron transport chain

• Fermentation

Tags

NGSS.HS-LS1-7

Where does glycolysis take place in the cell?

• Mitochondrion

• Nucleus

• Cytosol of the cytoplasm

• Endoplasmic reticulum

Tags

NGSS.HS-LS2-3

What molecule is broken down during glycolysis?

• Fructose

• Sucrose

• Glucose

• Lactose

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-3

What is the main purpose of glycolysis?

• To produce oxygen

• To break down glucose for energy

• To synthesize proteins

• To replicate DNA

Tags

NGSS.HS-LS1-7

What is the end product of glycolysis that enters the Krebs cycle?

• Glucose

• Pyruvate

• ATP

• NADH

Tags

NGSS.HS-LS1-7

What is the net gain of ATP from glycolysis per glucose molecule?

• 2 ATP

• 4 ATP

• 6 ATP

• 8 ATP

How many pyruvate molecules are formed as the end product of glycolysis?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS1-7

During glycolysis, glucose is broken down into which smaller molecule?

• Fructose

• Pyruvate

• Sucrose

• Lactose

What is the role of NADH in glycolysis?

• To provide energy

• To carry electrons

• To form pyruvate

• To break down glucose

What is the initial substrate for glycolysis?

• Pyruvate

• Glucose

• ATP

• NADH