Fermentation and Glycolysis Concepts

What does one glucose molecule turn into after glycolysis?

• Two ethanol molecules.

• Two pyruvate molecules.

• One acetaldehyde molecule.

• Lactic acid.

Why do cells perform fermentation?

• To make more glucose for energy.

• To get rid of extra water.

• To reuse a special molecule so they can keep making energy.

• To produce oxygen for breathing.

What gas is released when pyruvate changes into acetaldehyde during alcohol fermentation?

• Oxygen

• Carbon dioxide

• Hydrogen

• Methane

What tiny living thing is used to make bread fluffy and produce wine?

• Bacteria

• Yeast

• Mold

• Algae