Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Food Micro Lecture 1

Food Micro Midterm 1

Give three food preservation techniques. Salting, fermenting, radiation, drying, MAP, HPP.
Define food microbiology. The study of microorganisms which have both beneficial and deleterious effects on the quality and safety of foods.
What four components make up food microbiology? Growth characteristics, identification, pathogenesis, control measures.
What are the three areas of interest in food microbiology? Food preservation, food spoilage, foodborne illness.
Name the four categories of microorganisms. Bacteria, fungi (yeasts and molds), protozoa, viruses
_____ can grow at low pH and high sugar content. Yeasts
_____ are transmitted via blood-sucking insects and ingestion. Protozoa
Eukaryotes include both _____ and ______. fungi, protozoa
What are the three different morphologies of bacteria? Cocci, bacilli, tetrads
Gram ______ bacteria have a thin peptidoglycan layer and produce endotoxins. negative
Gram ______ bacteria have a thick peptidoglycan layer and produce exotoxins. positive
Define a bacterial strain. Genetic variant of a microorganism
Define serovars. Strain differentiation by specific characteristics.
What are the four most important molds in foods? Aspergillus, Fusarium, Penicillium, Rhizopus
______ may produce toxins, some strains are used in processing, and can cause spoilage. Aspergillus
_____ is associated with rot in citrus fruits, potatoes, and grains. Fusarium
______ is used in the food production of cheeses and can produce mycotoxin, or spoil foods. Penicillium
______ spoil fruits and vegetables and cause black mold on bread. Rhizopus
What are the three important yeasts in foods? Saccharomyces, Candida, Zygosaccaromyces
______ is used in the leavening of bread and in alcohol fermentation, but can also cause spoilage. Saccharomyces
______ cause spoilage in food with high acid, salt, and sugar, such as dairy products. Candida
_______ cause spoilage in high acid foods like ketchup. Zygosaccharomyces
What are the three important viruses in foods? Hapatitis A, norovirus, bachteriophages
Lactic acid bacteria are considered ______. producers
What are the three types of hydrolyzing bacteria? Proteolytic, lipolytic, and saccharolytic bacteria
______ bacteria can cause gastrointestinal infections. Enteric
Created by: goberoi



Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
restart all cards