Question

What factors dictate the choice of tests included in a combination medium?

Answer 1

Combination medium: A combination differential medium is one that includes three parameters. They are,

• Sulfur Reduction
• Indole Production
• Motility

Factors:

• Tests with raised pH will not make a good partner.
• Tests with lower pH.
• Tests that use color as an indicator would not make a good partner.

Answer 2

In combination medium , the choice of a test depends on factors such as the test the ph hence you nees to test the lower ph and the upper ph

Combination of the medium here tests different parameters such as the sulphur and reduction the test is used to differentiate interic organisms