In an enzymatic reaction of maltase, the disaccharide maltose is hydrolyzed to glucose. In an
experiment, an inhibitor X was added to the reaction. The addition of the inhibitor brought about a
change in the activity of the enzyme. When the substrate concentration was 0.125 mM, the initial
velocity was 0.10 mM per minute. However, Vo / Initial velocity changed to 0.25 mM per minute
when the substrate concentration was 0.50 mM. Hence, calculate the
Km
of the reaction.
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Answer:
Correct option is
B
Maltose → Glucose
Reaction catalysed by enzyme 'Maltase' is the conversion of Maltose→Glucose.
Maltose is a disaccharide and on hydrolysis, it gives glucose.
Maltose(C
12
H
22
O
11
)
′
Maltase
′
hydrolysis
Glucose(C
6
H
12
O
6
)+Glucose(C
6
H
12
O
6
).
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