Question 1

Mo and W are involved in oxygen atom transfer as

Accepted Answer

A)  oxygen atom acceptors. 
B)  oxygen atom donors. 
C)  centres for activation of O=O bonds. 
A)  oxygen atom acceptors. 
B)  oxygen atom donors. 
C)  centres for activation of O=O bonds. A

Question 2

Enzymes containing vitamin B12 are involved in

Accepted Answer

A)  radical reactions. 
B)  acid-base catalysis. 
C)  electron transport chain. 
A)  radical reactions. 
B)  acid-base catalysis. 
C)  electron transport chain. A

Question 3

Identify the correct statement:

Accepted Answer

A)  Ca2+ is used in signalling because of its selectivity for only very specific binding sites. 
B)  Binding of Ca2+ to calmodulin deactivates this enzyme. 
C)  Calcium signalling proteins are small proteins that change their tertiary structure upon Ca2+ binding. 
A)  Ca2+ is used in signalling because of its selectivity for only very specific binding sites. 
B)  Binding of Ca2+ to calmodulin deactivates this enzyme. 
C)  Calcium signalling proteins are small proteins that change their tertiary structure upon Ca2+ binding. C

Question 4

Sodium/potassium pump

Accepted Answer

A)  maintains the concentration gradient of Na+ and K+ inside and outside the cell. 
B)  is a passive Na+/K+ transporter. 
C)  removes K+ from the cell and imports Na+ into the cell. 
A)  maintains the concentration gradient of Na+ and K+ inside and outside the cell. 
B)  is a passive Na+/K+ transporter. 
C)  removes K+ from the cell and imports Na+ into the cell.

Question 5

Bacteria secret _________________ in order to acquire iron from the environment.

Accepted Answer

A)  ionophore 
B)  siderophore 
C)  uptake proteins 
A)  ionophore 
B)  siderophore 
C)  uptake proteins

Question 6

What is the role of zinc fingers?

Accepted Answer

A)  Zinc fingers are involved in metal transport. 
B)  Zinc fingers are involved in regulation of gene expression. 
C)  Zinc fingers are involved in detoxification/removal of excess zinc ions form the cell. 
A)  Zinc fingers are involved in metal transport. 
B)  Zinc fingers are involved in regulation of gene expression. 
C)  Zinc fingers are involved in detoxification/removal of excess zinc ions form the cell.

Question 7

Find the correct statement(s):
(i) The electron transport proteins contain Cu and Fe metals.
(ii) For efficient electron transport, both the Gibbs energy and the reorganization energy have to be low.
(iii) Electron transport chains exist only in organisms that use O2 as oxidizing agent.

Accepted Answer

A)  (ii) and (iii) 
B)  (i) and (iii) 
C)  (i) and (ii) 
A)  (ii) and (iii) 
B)  (i) and (iii) 
C)  (i) and (ii)

Question 8

Which transition metals are used in proteins that transport oxygen?

Accepted Answer

A)  Cu and Fe 
B)  Co and Ni 
C)  Cu and Mn 
A)  Cu and Fe 
B)  Co and Ni 
C)  Cu and Mn

Question 9

Zinc has several roles in living system. In which role you will not find this metal?

Accepted Answer

A)  structural 
B)  catalytic 
C)  electron transfer 
A)  structural 
B)  catalytic 
C)  electron transfer

Question 10

What is compartmentalization?

Accepted Answer

A)  Location of different cellular compartments within cell. 
B)  Distribution of elements inside and outside the cell as well as between different cellular compartments. 
C)  Distribution of an element among different chemical species. 
A)  Location of different cellular compartments within cell. 
B)  Distribution of elements inside and outside the cell as well as between different cellular compartments. 
C)  Distribution of an element among different chemical species.

Mo and W are involved in oxygen atom transfer as

Enzymes containing vitamin B₁₂ are involved in

Identify the correct statement:

Sodium/potassium pump

Bacteria secret _________________ in order to acquire iron from the environment.

What is the role of zinc fingers?

Find the correct statement(s): (i) The electron transport proteins contain Cu and Fe metals. (ii) For efficient electron transport, both the Gibbs energy and the reorganization energy have to be low. (iii) Electron transport chains exist only in organisms that use O₂ as oxidizing agent.

Which transition metals are used in proteins that transport oxygen?

Zinc has several roles in living system. In which role you will not find this metal?

What is compartmentalization?

Atomic Structure

Molecular Structure and Bonding

Molecular Symmetry

The Structures of Simple Solids

Acids and Bases

Oxidation and Reduction

An Introduction to Coordination Compounds

Physical Techniques in Inorganic Chemistry

Periodic Trends

Hydrogen

The Group 1 Elements

The Group 2 Elements

The Group 13 Elements

The Group 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The Group 18 Elements

The D-Block Elements

The D-Metal Complexes: Electronic Structure and Spectra

Coordination Chemistry: Reactions of Complexes

D-Metal Organometallic Chemistry

The F-Block Metals

Materials Chemistry and Nanomaterials

Green Chemistry

Inorganic Chemistry in Medicine

Filters

Exam 26: Biological Inorganic Chemistry

Mo and W are involved in oxygen atom transfer as

Enzymes containing vitamin B12 are involved in

Identify the correct statement:

Sodium/potassium pump

Bacteria secret _________________ in order to acquire iron from the environment.

What is the role of zinc fingers?

Find the correct statement(s): (i) The electron transport proteins contain Cu and Fe metals. (ii) For efficient electron transport, both the Gibbs energy and the reorganization energy have to be low. (iii) Electron transport chains exist only in organisms that use O2 as oxidizing agent.

Which transition metals are used in proteins that transport oxygen?

Zinc has several roles in living system. In which role you will not find this metal?

What is compartmentalization?

Atomic Structure

Molecular Structure and Bonding

Molecular Symmetry

The Structures of Simple Solids

Acids and Bases

Oxidation and Reduction

An Introduction to Coordination Compounds

Physical Techniques in Inorganic Chemistry

Periodic Trends

Hydrogen

The Group 1 Elements

The Group 2 Elements

The Group 13 Elements

The Group 14 Elements

The Group 15 Elements

The Group 16 Elements

The Group 17 Elements

The Group 18 Elements

The D-Block Elements

The D-Metal Complexes: Electronic Structure and Spectra

Coordination Chemistry: Reactions of Complexes

D-Metal Organometallic Chemistry

The F-Block Metals

Materials Chemistry and Nanomaterials

Green Chemistry

Inorganic Chemistry in Medicine

Filters

Enzymes containing vitamin B₁₂ are involved in

Find the correct statement(s): (i) The electron transport proteins contain Cu and Fe metals. (ii) For efficient electron transport, both the Gibbs energy and the reorganization energy have to be low. (iii) Electron transport chains exist only in organisms that use O₂ as oxidizing agent.