Food Contamination and Spoilage
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Questions and Answers

The mechanism of food spoilage by microbial enzymes is repressed when the supply of small molecules is used up.

False

Microbial food spoilage occurs at the early stage of microbial growth due to the breakdown of macromolecules.

False

Proteinases are enzymes that break down carbohydrates into simple sugars.

False

The breakdown of macromolecules by microbial enzymes occurs at the early stage of microbial growth.

<p>False</p> Signup and view all the answers

Microbial enzymes are inactivated when microbial cells die.

<p>False</p> Signup and view all the answers

Microbial food spoilage only occurs when microbial cells are alive and growing.

<p>False</p> Signup and view all the answers

The synthesis of extracellular enzymes is repressed when the supply of small molecules is used up.

<p>False</p> Signup and view all the answers

Intracellular enzymes are responsible for breaking down macromolecules in food.

<p>False</p> Signup and view all the answers

Microbial enzymes are only active during the early stage of microbial growth.

<p>False</p> Signup and view all the answers

The metabolism of low-molecular-weight nutrients occurs at the later stage of microbial growth.

<p>False</p> Signup and view all the answers

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