Like this study set? Create a free account to save it.

Sign up for an account

Already have a Quizlet account? .

Create an account


Is triple sugar iron agar differential, selective, or enriching?


TSIA contains which three carbohydrates, one at 0.1%, and two 1% concentrations?

glucose, lactose and sucrose

What two other compounds are in TSIA?

ferrous ions and phenol red

Which four things can be quantified/ noted from each tube? (alphab)

butt, gas, hydrogen sulfide, slant

Fermentation, an acid-producing reaction, will turn the tube which colour?


An alkaline reaction due to the aerobic utilisation of organic acids by enteric bacteria when fermentable subtrates have been used turns the tube what colour?

Deep red

If bacteria produce H2S (hydrogen sulfide) it will react with the ferrous ions to produce iron sulfide to form a what?

black precipitate

TSIA differentiates which types of bacteria?

gram-negative enteric bacilli

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions and try again


Reload the page to try again!


Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

Voice Recording