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.
Don't know
remaining cards
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

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


Lactobacillus (milk) is a form of _____. Acidophil
Acid loving bacteria? acidophil
Bacteria with a Ph. of 5.4 acidophil
Radiation causes? Mutations
radiation affects? nucleic acids
Base loving bacteria such as Vibrio and Cholera? Alkalinophiles
bacteria with a Ph. between 7.0-11.5. alkalinophiles
Neutral loving bacteria with a Ph. between 5.4-8.5. Neutrophils
another word for shrink hypertonic
another word for expand hypotonic
hydrostatic pressure affects? Membranes & enzymes
moisture affects? metabolism
sexual reproduction? conjugation
bacterial reproduction binary fission
y-axis # of cells
x-axis time
exponential growth happens during this phase. log phase
bacteria adjust to the environment during this phase lag phase
4 phases of cell growth. 1.lag 2.log 3.stationary 4.death/decline
reproduction=death stationary phase
exponential decline occurs during this phase death/decline phase
Ph. affects? Cell wall
temperature affects? enzymes
what cells produce to become resistant to antibiotics. (during conjugation) plasma
cold loving bacteria are called? psycrophiles
psycrophiles like what temperature? 15-20 degrees C.
mesophiles like what temperature? 25-45 degrees C.
heat loving bacteria are called? thermophiles
thermophiles like what temperature? 50-60 degrees C
what does aerobic mean? needs oxygen
what does anaerobic mean? dislikes oxygen
if a bacteria is obligate aerobic, then_____ it cant live with out oxygen
if a bacteria is facultative aerobic then_____ it prefers to have oxygen, but can live with out it
if a bacteria is obligate anaerobic then____ then it cant live with oxygen
if a bacteria is facultative anaerobic then____ it prefers to live without oxygen, but can live with it
encourages growth of some organisms but not others selective medium
changes bacteria, IE: color, Ph. etc. differential medium
special nutrients that allow the growth of a particular organism be in sufficient numbers enrichment medium
streak plate flame, streak, flame, streak, flame, streak, flame streak
Created by: lbclark1510