Multiple Choice
The chemical reaction for the Ortho-Nitrophenyl-b-D-galactopyranoside (ONPG) test is:
A) b-galactosidase hydrolyzes lactose into glucose and galactose
B) Glucose ® pyruvic acid ® acetoin
C) b-Galactosidase hydrolyzes o-nitrophenyl-b-D-galactopyranoside into galactose and o-nitrophenol (a yellow compound)
D) O-nitrophenyl-b-D-galactopyranoside is oxidized into acetoin and glucose
Correct Answer:
Verified
Correct Answer:
Verified
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