Question

One of the proteins made and released by a cell is compared to the protein taken

from the same cell's endoplasmic reticulum. The two proteins are slightly different.
What likely occurred?
The cell used part of the protein in the mitochondrion.
The cell modified the protein in the Golgi apparatus.
The cell membrane changed the structure of the protein.
The cell digested the protein in the lysosome before releasing it.

Answer 1

the answer is the cell used part of the protein in the mitochondrion