Inorganic Chemistry-Bioinorganic Chemistry [CSIR (Council of Scientific & Industrial Research) Chemical Sciences]: Questions 8 - 12 of 26
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Question 8
Appeared in Year: 2012
Question MCQ▾
Oxidation state of iron in methemoglobin: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Two | |
b. | Three | |
c. | One | |
d. | Four |
Question 9
Appeared in Year: 2012
Question MCQ▾
Based on behaviour of metalloenzyme:-
- In enzymes, Zn activates to form peroxide species.
- In enzymes, Zn activates and provides a Zn bound hydroxide.
- In oxidases, Iron activates to break bonding between two oxygens.
- Zn acts as nucleophile and attacks peptide. (Dec)
Choices
Choice (4) | Response | |
---|---|---|
a. | 1 and 2 | |
b. | 1 and 4 | |
c. | 2 and 3 | |
d. | 3 and 4 |
Question 10
Appeared in Year: 2015
Question MCQ▾
Biological function of carbonic anhydrase and carboxypeptidase A, respectively, are:- (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | Interconversion of and carbonates and gene regulation | |
b. | Gene regulation and hydrolysis of peptide bond. | |
c. | Gene regulation and Interconversion of and carbonates. | |
d. | Interconversion of and carbonates and hydrolysis of peptide bond. |
Question 11
Appeared in Year: 2011
Question MCQ▾
Carboxypeptidase contains: (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | and hydrolyses | |
b. | and hydrolyses peptide bonds. | |
c. | and hydrolyses | |
d. | and hydrolyses peptide bonds. |
Question 12
Appeared in Year: 2013
Question MCQ▾
Patients suffering from Wilson՚s disease have (Dec)
Choices
Choice (4) | Response | |
---|---|---|
a. | Low level of superoxidease dismutase | |
b. | High level of copper storage protein, ceruloplasmin | |
c. | High level of Cu-Zn superoxidase dismutase | |
d. | Low level of copper storage protein, ceruloplasmin |