In clinical applications of API 20 E Identification System for Enterobacteriaceae and Other gram-neg Show more In clinical applications of API 20 E Identification System for Enterobacteriaceae and Other gram-negative rods reagents are added only if the glucose (oxidation/fermentation) test results is yellow or at least three other tests are positive.
If these are not met a MacConkey Agar plate is streaked and additional tests are performed confirming glucose metabolism nitrate reduction and motility. Why do you think this is so? Be specific. Show less