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.
Don't know
Know
remaining cards
Save
0:01
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:
Retries:
restart all cards
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

Microbiology

First Aid - Microbiology

QuestionAnswer
Same btwn gram+ and gram- flagellum, pilus, capsule, peptidoglycan, cytoplasmic membrane
unique to gram positive lipoteichoic acid (combo of lipids and teichoic acids), has a cell wall
unique to gram negative endotoxin, lipopolysaccharide outer membrane, periplasm
mycoplasmas have no cell walls (do not gram stain) , also contain sterols
mycobacteria TB, contain mycolic acid, high lipid content, detected by acid fast stain
obligate aerobes O2 dependent, ex. pseudomonas aeruginoasa (burns, diabetes, pneumonia), TB - reactivation of TB goes to apices of long b/c highest pO2
obligate anaerobes lack catalase and/or superoxide dismutase susceptible to oxidative damage, normal flora in GI tract, but pathogenic elsewhere
encapsulated bacteria capsules serve as antiphagocytic virulence factor, capsule + protein conjugate serve as an antigen in vaccines, strep pneumoniae, H. flu, E.coli, salmonella, Klebsiella pneumonia. usually opsonized and cleared by spleen. asplenics at risk for severe dz
Created by: Smukadam