yes it have positive reaction for ONPG test
ONPG is for the detection of delayed lactose fermentation.
ONPG test detects only presence of beta galactosidase enzyme whereas lactose fermentation requires the presence of permease as well as beta galactosidase enzyme.
urease - negative ONPG - positive Lysine - positive
Wet mount, hanging drop slide, or motility tube (SIMS, ONPG-PAM)
beta galactosidase breaks onpg into galactose and ortho-nitrophenol which gives a yellow colour
too see transcription and translation speed - u plot it against time (A400 - A550*1.65) / 0.0075
All Microbes are not harmful. All virus are harmful. Some bacteria are harmful
some are harmful but some are not harmful
No they are not harmful.
more harmful, most harmful
lion are useful and harmful