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

Biochemical tests

QuestionAnswer
Interpret a TSI/KIA tube with red slant and black butt after proper incubation? K/A with H2S+, organism is glucose fermenter with hydrogen sulfide production
What does R/A mean in a LIA tube? Red slant over yellow butt, positive deamination of lysine (negative for decarboxylation)
Decarboxylation of amino acids (lysine, ornithine) is an alkaline reaction which neutralizes the acidic reaction of utilizing glucose and reverts the media color back to its original color. T/F True
What should be present in the indole test tube in order to have a positive result? Tryptophan
Interpret the positive result of PA tube and what reagent is needed? Dark green on slant's surface meaning organism can deaminate phenylalanine to phenylpyruvic acid. 10% ferric chloride
Interpret a green acetamide tube? the indicator? Organism is not able to utilize acetamide as a carbon source. Brom-thymol blue
What makes hot pink color in urea tube? Ammonia
Interpret a red nitrate tube after adding sulfanilic acid, alpha-naphthylamine and zinc dust? Negative for nitrate reduction
Name two genera with cytochrome oxydase activity? Pseudomonas and Neisseria
Name the most probable genera on a positive cetrimide tube? Pseudomonas
Created by: 1213736552120040
 

 



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