Podcast
Questions and Answers
The mechanism of food spoilage by microbial enzymes is repressed when the supply of small molecules is used up.
The mechanism of food spoilage by microbial enzymes is repressed when the supply of small molecules is used up.
False (B)
Microbial food spoilage occurs at the early stage of microbial growth due to the breakdown of macromolecules.
Microbial food spoilage occurs at the early stage of microbial growth due to the breakdown of macromolecules.
False (B)
Proteinases are enzymes that break down carbohydrates into simple sugars.
Proteinases are enzymes that break down carbohydrates into simple sugars.
False (B)
The breakdown of macromolecules by microbial enzymes occurs at the early stage of microbial growth.
The breakdown of macromolecules by microbial enzymes occurs at the early stage of microbial growth.
Microbial enzymes are inactivated when microbial cells die.
Microbial enzymes are inactivated when microbial cells die.
Microbial food spoilage only occurs when microbial cells are alive and growing.
Microbial food spoilage only occurs when microbial cells are alive and growing.
The synthesis of extracellular enzymes is repressed when the supply of small molecules is used up.
The synthesis of extracellular enzymes is repressed when the supply of small molecules is used up.
Intracellular enzymes are responsible for breaking down macromolecules in food.
Intracellular enzymes are responsible for breaking down macromolecules in food.
Microbial enzymes are only active during the early stage of microbial growth.
Microbial enzymes are only active during the early stage of microbial growth.
The metabolism of low-molecular-weight nutrients occurs at the later stage of microbial growth.
The metabolism of low-molecular-weight nutrients occurs at the later stage of microbial growth.
