Foods Can Be Preserved in Many Ways by Slowing or Preventing

question 25

Multiple Choice

Foods can be preserved in many ways by slowing or preventing bacterial growth. Which of these methods should be least effective at inhibiting bacterial growth?

• A) refrigeration: slows bacterial metabolism and growth
• B) closing previously opened containers: prevents more bacteria from entering, and excludes oxygen
• C) pickling: creates a pH at which most bacterial enzymes cannot function
• D) canning in heavy sugar syrup: creates osmotic conditions that remove water from most bacterial cells

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Definitions:

Price Change

An adjustment in the cost of a good or service in the market, which can be an increase or decrease due to various factors.

Income

The remuneration accrued, notably in a recurrent manner, from labor or the investment of resources.

Substitution Effect

The economic principle that as prices rise or income decreases, consumers will replace more expensive items with less costly alternatives.

Income

The monetary amount received by an individual or entity in exchange for labor, services, or investment.