Answer:
Option B, A phosphatase removes the phosphate group from phosphorylated amino acid residues in a protein.
Explanation:
A phosphatase enzyme is responsible for removing phosphate group from a protein.
This usually happens during the chemical process of hydrolysis in which phosphomonoester is hydrolysed using phosphatase as a catalyst..
The final output of this reaction are -
a) Phospahte ion with OH group attached to it
b) H+ ion attaching to the hydroxyl group of the other product.
c) Splitting of water
Option B is correct