Chemistry, 17.02.2021 01:20 marvezunderwood
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Most types of bacteria are harmless, and some are even beneficial. In fact, many of the foods you eat probably were made with the aid of bacteria.
For example, all cultured dairy products, such as cheese, yogurt, sour cream, and buttermilk, wouldn't exist without bacteria. Lactic acid bacteria change the sugar in milk to lactic acid, which prevents other harmful bacteria from taking hold. They also help change liquid milk into solid cheese; contribute enzymes that break down fats, proteins, and sugars; and give different varieties of cheese distinctive flavors.
In fact, unique cheese flavors come from the unique varieties of bacteria used to make them. Some cheese-makers even keep the type of bacteria they use completely secret so no one can imitate their products. Swiss cheese is made with bacteria that create little bubbles of gas, which give the cheese its distinctive “eyes”, or holes!
Pasteurization, which removes harmful bacteria from milk through the application of heat, often destroys lactic acid bacteria. So, in a process called inoculation, cheese-makers sometimes add frozen or freeze-dried cultures of bacteria to milk. Some cheeses, like bleu cheese and camembert, are even inoculated with mold!
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Chemistry, 21.06.2019 18:00
Now consider the reaction when 45.0 g naoh have been added. what amount of naoh is this, and what amount of fecl3 can be consumed by it?
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Chemistry, 21.06.2019 18:50
Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.
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Chemistry, 22.06.2019 14:20
Which of the following are sources of revenue for media companies? a. direct sales to producers b.advertising and subscriptions c. online purchase d. capital investments
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Most types of bacteria are harmless, and some are even ben...
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