Bacteria - Advantages and Disadvantages Flashcards
What food products are produced using bacteria?
Cheese
Yogurt
Vinegar
What bacteria is used in the production of cheese?
Lactic acid bacteria
Why is lactic acid bacteria used to produce cheese?
It converts lactose into lactic acid which adds flavour to cheese
What bacteria is used to produce yogurt?
Lactobacillus bulgaricus
Why is lactobacillus bulgaricus used to produce yogurt?
It converts lactose to lactic acid which thickens the milk to coagulate into a the thick consistency of yogurt
What bacteria is used to produce vinegar?
Acetic acid bacteria
What is an enteric bacteria?
A naturally occur bacteria in the intestine
Name an enteric bacteria?
E.coli
What is the purpose of E.coli bacteria in the intestine?
It produces vitamins B and K
List the advantages of bacteria.
4 points
Used to produce food
Enteric bacteria supply vitamins
Decompose organic matter to make compost
Used in production of food supplements
Name a bacteria used to produce food supplements.
Lactic acid bacteria
What is the function of lactic acid bacteria in food supplements?
It is a probiotic which improves the functioning of the digestive system
List the disadvantages of bacteria.
6 points
Food spoilage Food poisoning Human diseases Plant diseases Animal diseases Tooth decay
Name a bacteria which causes food spoilage and the effect it has on a food,
Lactic acid bacteria turns milk sour
Name a human disease caused by a bacteria.
Pneumonia
