Unit-I Essential Trace Elements

Which of the following enzyme is responsible for the conversion of carbondioxide into bicarbonate ion?

• carboxypeptidase

• catalase

• peroxidase

• carbonic anhydrase

The role of hemoglobin is---------

• oxygen transport

• oxygen storage

• electron transport

• redox function

Transferrin acts as --------- carrier

The function of catalase is -----

• hydroxylation

• destruction of hydrogen peroxide

• reduction of oxygen

• electron transport

In Ferritin core iron is deposited as ------

• Fe (OH)3

• Fe(H2O)

• Fe2O3 (H2O)x

• FeCl3

Hemosiderin is a -------- protein

• iron transport

• iron storage

• oxygen storage

• oxygen transport

In Siderophores iron binding site is ----- and -----

• oxalate & hydroxamate

• catecholate & hydroxamate

• acetate and oxalate

• catecholate and phenolate

An EPR active copper protein is --------

• plastocyanin

• hemocyanin

• hemerythrin

• myoglobin

Which of the ion is important in catalysis in ATP hydrolysis and structure forming effect?

• Cu2+

• Mg2+

• Na+

• K+

In ion transport Mechanism, ----- and ----- involved in sodium-potassium pump

• 2 Na+ & 3 K+

• 3 Mg2+ & 2 Na+

• 3Na+ & 2K+

• 2 Na+ & K+