What enzyme is necessary for the breakdown of the substrate in this media?

In order to accurately interpret your water micro results, what 2 observations must be made?  

Match the ingredients on the left with the correct media on the right.

List a piece of media used since the last practical in which there are NO pH or color indicators (prior to inoculation).

  What is happening to blood cells in figure B (answer in terms of partial, complete or no hemolysis)

For a Methyl Red test, what is the substrate present?

In order to detect H2S in the LIA, what color indicator must be used?

Which revenue models entails charging fees for its service?

Pick one that best defines the advertising-supported revenue model. 

Why do B2Bs not always openly publish or publicize their pricing when they employ the web catalog revenue model?