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Enzymes and vitamins
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Difficulty 1 of 3
bm116
The enzyme urease catalyses the hydrolysis of
A
starch into maltose
B
urea into ammonia and carbon dioxide
C
sucrose into glucose and fructose
D
proteins into peptides
Answer: B
Urease is specific for urea:
NH
X
2
CONH
X
2
+
H
X
2
O
2
NH
X
3
+
CO
X
2
. Starch, sucrose and proteins are acted on by other enzymes.
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