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Q. Catalytic activity of metalloenzymes?
Catalytic activity of metalloenzymes depends on the complex form in ability of a particular metal ion. One specific example is carbonic anhydrase which is a Zn2+activated metalloenzyme. Carbonic anhydrase is an important enzyme of respiration. It catalyses dehydration of carbonic acid and the release of CO2.
H2C03 ------------------------> H20 + CO2
Carbonic anhydrase consists of a zinc ion which is tetrahedrally coordinated by three imidazole nitrogen atoms and a water molecule. The active site of the enzyme is The one where water molecules is attached to the zinc ion.
Bond order is the number of chemical bonds between a pair of atoms. For example, in diatomic nitrogen N≡N the bond order is 3, while in acetylene H-C≡C-H the bond order between the
Which one is the electronic configuration of Fe +2 : (1) 1s 2, 2s 2 , 2p 6 , 3s 2 , 3p 6 , 3d 6 (2) 1s 2 , 2s 2 , 2p 6 , 3s 2 , 3p 4 , 4s 2 (3) 1s 2 , 2s 2 ,
Face cetered cubic structure In FCC structure, the atoms are situated at each of the eight corners and at the centers of all cube faces of the unit cell. Every face centered at
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Q. Show the properties of Aluminium Oxide ? Aluminium oxide, Al 2 0 3 is a highly ionic compound of aluminium. It is also known as alumina. As you have studied earlier, it occ
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Q. Illustrate Metallic Bonding? Ans. A metal is crystalline because it has a regularly repeating, closely packed structure. In a metal, though, this closely packed structu
The ground state term symbol for an electronic state is governed by : (1) Heisenberg's principle (2) Hund's rule (3) Aufbau principle (4) Pauli exclusion principle
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