EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How can people kill harmful bacteria that live in foods?
A
Keeping the food cold.
B
Using chemicals
C
Heating the food
D
Using UV light
Explanation: 

Detailed explanation-1: -Most foods, especially meat, poultry, fish and eggs, should be cooked thoroughly to kill most types of food poisoning bacteria. In general, food should be cooked to a temperature of at least 75 °C or hotter.

Detailed explanation-2: -You can kill bacteria by cooking poultry and meat to a safe internal temperature . Use a cooking thermometer to check the temperature. You can’t tell if meat is properly cooked by looking at its color or juices. Leftovers should be refrigerated at 40°F or colder within 2 hours after preparation.

Detailed explanation-3: -Heat kills bacteria by denaturing these essential proteins. As the temperature rises, the weakest bonds that keep protein structures together start to break, followed by the stronger bonds with rising temperatures.

Detailed explanation-4: -Boiling does kill any bacteria active at the time, including E. coli and salmonella.

Detailed explanation-5: -Thorough cooking kills harmful bacteria in food. Undercooked food could cause food poisoning.

There is 1 question to complete.