ABC26IN0861 · Bioinorganic Chemistry

Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Zinc Enzymes · Exam: NET DEC 2012 · Marks: 2 · Difficulty: Easy

Based on the behaviour of the metalloenzymes, consider the following statements
\[ \begin{array}{l} \text{(A) In the enzymes, the zinc activates } \mathrm{O_2}\text{, to form peroxide species.} \\ \text{(B) In the enzymes, the zinc activates } \mathrm{H_2O} \text{ and provides a zinc boud hydroxide.} \\ \text{(C) In the oxidases, the iron activates } \mathrm{O_2}\text{, to break the bonding between the two oxygens} \\ \text{(D) Zinc ion acts as a nucleophile and attacks at the peptide carbonyl} \end{array} \]
The set of correct statements is,
(a)A and B
(b)B and C
(c)C and D
(d)A and D
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.

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