Inorganic Chemistry-Bioinorganic Chemistry (CSIR Chemical Sciences): Questions 8 - 12 of 17

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Question number: 8

» Inorganic Chemistry » Bioinorganic Chemistry » Oxygen Transport

Appeared in Year: 2012

MCQ▾

Question

Oxidation state of iron in methemoglobin: (June)

Choices

Choice (4) Response

a.

Four

b.

One

c.

Two

d.

Three

Question number: 9

» Inorganic Chemistry » Bioinorganic Chemistry » Metalloenzymes

Appeared in Year: 2012

MCQ▾

Question

Based on behaviour of metalloenzyme: -

  1. In enzymes, Zn activates O2 to form peroxide species.

  2. In enzymes, Zn activates H2O and provides a Zn bound hydroxide.

  3. In oxidases, Iron activates O2 to break bonding between two oxygens.

  4. Zn acts as nucleophile and attacks peptide. (Dec)

Choices

Choice (4) Response

a.

2 and 3

b.

3 and 4

c.

1 and 4

d.

1 and 2

Question number: 10

» Inorganic Chemistry » Bioinorganic Chemistry » Metalloenzymes

Appeared in Year: 2015

MCQ▾

Question

Biological function of carbonic anhydrase and carboxypeptidase A, respectively, are: - (June)

Choices

Choice (4) Response

a.

Interconversion of CO2 and carbonates and gene regulation

b.

Interconversion of CO2 and carbonates and hydrolysis of peptide bond.

c.

Gene regulation and hydrolysis of peptide bond.

d.

Gene regulation and Interconversion of CO2 and carbonates.

Question number: 11

» Inorganic Chemistry » Bioinorganic Chemistry » Metalloenzymes

Appeared in Year: 2011

MCQ▾

Question

Carboxypeptidase contains: (June)

Choices

Choice (4) Response

a.

Mg(II) and hydrolyses peptide bonds.

b.

Zn(II) and hydrolyses peptide bonds.

c.

Zn(II) and hydrolyses CO2

d.

Mg(II) and hydrolyses CO2

Question number: 12

» Inorganic Chemistry » Bioinorganic Chemistry » Metal Complexes in Medicine

Appeared in Year: 2013

MCQ▾

Question

Patients suffering from Wilson’s disease have (Dec)

Choices

Choice (4) Response

a.

High level of Cu-Zn superoxidase dismutase

b.

Low level of copper storage protein, ceruloplasmin

c.

Low level of CuZn superoxidease dismutase

d.

High level of copper storage protein, ceruloplasmin

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