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A simple mechanism for enzyme-catalysed ...

A simple mechanism for enzyme-catalysed reaction is given by the following set of equations
`{:(underset(("enzyme"))(E)+,underset(("reactant"))(S),rarr,underset(("intermediate-1"))(ES)),(,underset(("intermediat-1"))(ES),rarr,underset(("intermediat-2"))(EP)),(,underset(("intermediate-2"))(EP),rarr,underset(("enzyme"))(E)+underset(("product"))(P)):}`

This is known as the Michaelis-Menten mechanism. The potential energy diagram is shown in the fig. Which of the following set of identifications is correct? (Assume that the temperature and pressure are constant).

A

`{:((1),(2),(3),(4).),(E+P,EP,ES,E+S):}`

B

`{:((1),(2),(3),(4).),(ES,"Activated complex",EP,"Activated complex"):}`

C

`{:((1),(2),(3),(4).),(EP,"Activated complex",ES,"Activated complex"):}`

D

`{:((1),(2),(3),(4).),(E+S,ES,EP,E+P):}`

Text Solution

Verified by Experts

The correct Answer is:
D
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A simple mechanism for enzyme-catalyzed reaction is given by the folllwoing set of equations {:(underset("(enzyme)")(E),+,underset("(reactant)")(S),hArr,underset("(intermediata 1)")(ES),,),(underset("(intermediate 1)")(ES),,,hArr,underset("(intermediate 2)")(EP),,),(underset("(intermediate 2)")(EP),,,hArr,underset("(enzyme)")(E),+,underset("(product)")(P)):} This is know as the Michaelis-Menten mechanism. The potential energy diagram is shown in the fig. Which of the following sets of identifications is correct ? (Assume that the temperature and pressure are constant).

Predict the correct intermediat and product in the following reaction reaction : H_(3)C-C-=CHoverset(H_(2)O,H_(2)SO_(4))underset(HgSO_(4))rarr underset((A))(Intermediate)rarrunderset((B))(pro duct)

What is the product of the following reaction : CH_(3)-underset(CH_(3))underset(|)(C )=CH_(2) overset(HBr)underset("Peroxide")rarr

Which is the product in the following reaction? H_(2)C=CH-underset(CH_(3))underset(|)(CH)-OHoverset(H_(2)CrO_(4))rarr

Predict the correct intermediate and product in the following reaction. H_(3)C-C-CH underset(HgSO_(4))overset(H_(2)O,H_(2)SO_(4))to underset((A))("Intermediate")tounderset((B))("Product")

In the following reaction sequence in aqueous solution, the species X,Y and Z, respectively S_(2)O_(3)^(2-)overset(Ag^(+))(rarr)underset("clear solution")(X)overset(Ag^(+))(rarr)underset("white precipitate")(Y)overset("withtime")(rarr)underset(" black precipitate")(Z)

The reaction shows which of the following mechanisms? CH_(3) - underset(CH_(3))underset(|)CH - Cl overset("KOH"(aq))(rarr) CH_(3) - underset(CH_(3))underset(|)(CH)-OH + Cl^(-)

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