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Questions and Answers
What type of enzymes do psychrotrophic bacteria, such as P. fluorescence, produce?
What type of enzymes do psychrotrophic bacteria, such as P. fluorescence, produce?
- Cellulase
- Lipase (correct)
- Protease
- Amylase
Which of the following fatty acids are responsible for the rancid flavor and odor in dairy products?
Which of the following fatty acids are responsible for the rancid flavor and odor in dairy products?
- C-6 and C-12
- C-10 and C-14
- C-4 and C-8 (correct)
- C-4 and C-10
What is the most common fermentative defect in fluid milk products?
What is the most common fermentative defect in fluid milk products?
- Ropy texture
- Souring (correct)
- Putridity
- Rancidity
Which of the following bacteria is responsible for the ropy texture defect in milk?
Which of the following bacteria is responsible for the ropy texture defect in milk?
What is the term for bacteria that do not form spores?
What is the term for bacteria that do not form spores?
What is the term for the production of more than one type of acid?
What is the term for the production of more than one type of acid?
Which of the following genera of bacteria is not typically involved in the spoilage of milk and fermented products?
Which of the following genera of bacteria is not typically involved in the spoilage of milk and fermented products?
What is the term for the unpleasant odor and taste of spoiled milk?
What is the term for the unpleasant odor and taste of spoiled milk?
Which of the following is a characteristic of lactic acid bacteria?
Which of the following is a characteristic of lactic acid bacteria?
Which of the following coliform bacteria is responsible for spoilage of milk?
Which of the following coliform bacteria is responsible for spoilage of milk?
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