*to test for enzyme nitrate reductase
3 broths A. faecalis, E.coli, P. aerug
incubated for 24 hours
*look for gas bubble in all 3 broths- was present in A. faec +pos for NO - N2O - N2
*added reagent A & B to remaining broths- color change to red E. coli +pos for enzyme
next added zinc to remaining broth turned red P. aerug is -neg for enzyme
No comments:
Post a Comment