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Byju's Answer
Standard XI
Biology
Role of Micronutrients
Zn2+ is an ac...
Question
Z
n
2
+
is an activator of
A
Phosphoenolpyruvate carboxylase
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B
Alcohol dehydrogenase
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C
Oxygenase
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D
Nitrogenase
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Solution
The correct option is
B
Alcohol dehydrogenase
Alcohol dehydrogenase (ADH) have a structural zinc site. This
Z
n
2
+
ion plays a structural role and is crucial for protein stability of the ADH enzyme.
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2
Similar questions
Q.
Z
n
2
+
is an activator of
Q.
Zn2+ is an activator of
Q.
Z
n
2
+
is an activator of
Q.
Assertion :
M
g
2
+
+
Z
n
S
O
4
→
M
g
S
O
4
+
Z
n
2
+
Reason: More active metal can displace less active metal from its salt solution.
Q.
Regarding mineral nutrition in plants, which one of the following statements is/are incorrect?
(a) Deficiency of boron inhibits pollen germination
(b) Deficiency of potassium affects the opening and closing of stomata
(c)
Z
n
2
+
is an activator of RuBisCO
(d) Deficiency of nitrogen leads to delay in flowering
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