Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

MICROBIO Ex20

Selective and Differential Media

QuestionAnswer
This agar is very selective due to the high concentration of salt it contains. Mannitol salt agar.
Used to isolate Gram-positive Staphylococcus Mannitol salt agar.
PEA? Negative No or slight growth -> Gram-negative because organism inhibit by phenylethyl alcohol
PEA? Positve Moderate to abundant of growth -> Gram-positive because organism is not inhibited by phenylethyl alcohol.
EMB medium - how to know if the organism is Gram - positive? No growth or light growth without changing color of growth -> Gram-positive because organism is inhibited by eosin and methylene blue.
EMB medium - how to know if the organism is non-coliform Gram-negative Moderate or abundant of growth, and growth doesn't change color ->Gram - negative noncoliform. because organism is inhibited by eosin and methylene blue, organism is nonfermenter.
EMB medium - how to know if the organism iscoliform Gram-negative Moderate or abundant of growth with pink to metallic green color -> Gram-negative coliform. Because organism is inhibited by eosin and methylene blue, organism ferment sugar to acid.
PEA Phenylethyl Alcohol - used to isolate coliform Gram-positive organisms
EMB Eosin Methylene Blue - used to isolate Gram-negative organisms.
x
Created by: pipi1402
 

 



Voices

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:
Retries:
restart all cards