Examination questions and solutions
Which of the following statements is incorrect?
I.Nearly 1 /3rd of all enzymes requires the presence of metal ions for catalytic function
II.Metal ions form coordinate bond with side chain at active site of metalloenzyme and at the same time form one or more coordinate bonds with the substrate
III.NAD and NAD (coenzymes) contain niacin (vit.)
IV.Coenzyme are organic compounds but their association with the apoenzyme is only transient, usually occurring during catalysis
Only III and IV
None of the above
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