1-Which biologically active species control important cellular process such as oxidation/reduction, hydrolysis, and methyl group transfer?

metalloproteins

free proteins

free metal ions

 

 

2-BioInorganic chemistry is the study of -------- utilized in biology


Inorganic elements

Physical chemistry

Catalysis

3-The abundant elements in the human body are-------

answer choices

C,N,Se,I

C,N,O,H

Fe,C,N,Tc

Fe,Co,Gd,Pt

4-Metal ions present in active site of Nitrogenase enzyme cofactor are

a. 𝐹𝑒, 𝑁𝑖

b. 𝐹𝑒, 𝐶𝑢

c. 𝐹𝑒, 𝑀𝑜

d. 𝐹𝑒, 𝑊
5-Ligand system present in vitamin 𝐵 12 

a. Crown ether

b. Corin

c. Porphyrin

d. Phthalocyanine

6-The metal transferred by bacteria & fungi using siderophores/siderochromes is 

 a. 𝑀𝑜

b. 𝐹𝑒

c. 𝑍𝑛

d. 𝐶𝑢