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The percentage of Se in peroxidase enzym...

The percentage of Se in peroxidase enzyme is 0.5% by mass (atomic mass of Se=78.4 amu). Then, the minimum molecular mass of enzyme which contains not more than one Se atom is:

A

`1.568xx10^(4)` amu

B

`1.568xx10^(7)` amu

C

`1.568xx10^(3)` amu

D

`1.568xx10^(6)` amu

Text Solution

Verified by Experts

The correct Answer is:
A
`because 0.5g Se` is present in 100g enzyme.
`therefore 78.4g Se` will be present in `(100)/(0.5)xx78.4 g` enzyme
=15680amu
`=1.568xx10^(4)` amu.
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