«oME INSERT DESIGN PAGE LAYOUT REFERENCES MAILINGS REVEw view EndNolea TABLE 6-3

Question

«oME INSERT DESIGN PAGE LAYOUT REFERENCES MAILINGS REVEw view EndNolea TABLE 6-3 Class no. Class name Type of reaction catalyzed Oxidoreductases Transfer of electrons (hydride ions or H atoms Transferases Hydrolases Hydrelysis reactions (transfer of unctienal groups to water Cleavage of C-CC-OC-N orether bonds by elimination, leaving deuble 4Lyases 5 hemeaes 6 Ligases bonds or rings, er addition of groups to double bonds Transfer of groups within molecales to yield isomeri forms Fermation eC-Cc-,C-Qand C-Nbonds by cendensation reactians

Explanation / Answer

1) In the first reaction (A) enzyme belongs to the class of isomerases

Isomerases are involved in the conversion of a substrate from isomer to another isomer by rearrangement of bonds in the substrate. In the given question the (A) is the phosphoglucoisomerase which involved in the conversion of glucose 6-phosphate to fructose 6 phosphate. Here glucose and fructose are functional isomers.

2) In the second reaction (B) enzyme is belongs to the class of transferases.

Transferases are involved in the transfer of chemical groups from one substrate to another substrate.

In the given question Phosphofructokinase is the enzyme involved in the conversion of fructose 6-phosphate to fructose 1,6 bisphosphate. Here the Phosphofructokinase transfers the phosphate group to the first carbon of the glucose 6-phosphate.

3) In the third reaction (C) enzyme is belongs to the class of Oxidoreductases.

The Oxidoreductases are involved in the transfer of electrons from one substrate (reductant) to another substrate (oxidant).

Ared + Boxi                          ( Oxidoreductases)              Aoxi + Bred

Oxygenases have belonged to the Oxidoreductases involved in the transfer of oxygen atom directly to the substrate. In given question, the oxygen atom added to the hydrogen atom of the first carbon

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