The percentage of $Se$ in peroxidase anhydrous enzyme is $0.5\%$ by weight (atomic weight $= 78.4$). Then,the minimum molecular weight of peroxidase anhydrous enzyme is:

  • A
    $1.568 \times 10^4$
  • B
    $1.568 \times 10^3$
  • C
    $15.68$
  • D
    $3.136 \times 10^4$

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