Save
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
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. Your email address is only used to allow you to reset your password. See 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
edit
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

Lab 7,8,9,10

Microbiology

termdefinition
turbidity cloudiness in tube.
colony isolated microorganism populations.
quantitative dilution accurately measuring the amount of liquid used to make a reduction in concentration.
aseptic technique special precautions to maintain the purity of culture being transferred.
stock culture a reserve culture used to store an isolated organism in pure conditions to use in a laboratory.
incubated placed in favorable growing conditions.
sediment/button cell growth that has collected at the bottom of the test tube
isolated colony visible mass of growth. not touching other bacteria,
streak plate a piece of unglazed porcelain that you can test growth of bacterial on
pour plate diluted sample mixed with agar, poured into empty petri dishes. colonies form in and on plate.
serial dilution the process of diluting a sample several times
quantitative measuring by quantity of bacteria colonies
inoculate transfer of media from stock culture to sterilized media.
pure culture a culture containing a single kind of microorganism. coming from the same parent cell.
bacterial growth an increase in the number of bacteria in a colony.
pellicle growth of film across the surface
incubator provides optimal environment for bacterial growth
turbidity (BROTH) cloudiness
flocculent (BROTH) loosely aggregated particles or soft flakes
ring formation (BROTH) growth around the class broth line
pellicle formation (BROTH) growth of a thin film across the surface
loop dilution using the inoculating loop to create the reductions in concentration
solidifying agar 35C
arborescent (AGAR) thicker, branched
rhizoid (AGAR) thinner, branched
echinulate (AGAR) thicker, with points all around edges
filiform (AGAR) even straight line
beaded (AGAR) little specs
isolated colony visible mass of growth. not touching other bacteria
Created by: chmorse
Popular Biology sets

 

 



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