What is bacteria?
Single-celled organism without a nucleus. They can be dangerous, such as when they cause infection, or beneficial, as in the process of fermentation (such as in wine) and that of decomposition.
What do bacteria need to survive?
Bacteria's are almost the same as humans they need the following to survive:
-Oxygen
-Moisture
-Food
-Neutral PH Levels
-Tempereture
-Time
Give 3 examples of how we avoid spreading bacteria?
-Make sure all food is covered or stored correctly. (Do now leave out in the open for longer than 2 hours
-Food is stored in airtight containers (No holes)
-Preserving food with vinegar, salt and lemon affects the growth. (Clean surfaces)
-Foods are stored in freezer -18 or fridge.
-Food is left to cool prior to going in fridge to avoid condensation.
What does cross contamination mean and what it's effect on you?
the process by which bacteria or other microorganisms are unintentionally transferred from one substance or object to another, with harmful effect.
