Biology B3 - Fermentation

Fermentation is the breakdown of molecules generally by using yeast, bacteria and microorgansims.

For the exam, you will need to know the different methods of how some food and drinks are made. Cheese and yoghurt both start off as milk, here are the processes of how their made.

Yoghurt production:

• First, you start off by adding bacteria to the milk, this heats the milk.
• By keeping the milk warm, the bacteria will grow, reproduce and ferment.
• As the bacteria…