Proteome of a given cell is dynamic because:
(a) In response to Internal and external changes the biochemical machinery of the cell could be changed.
(b) In response to Internal and external changes the biochemical machinery of the cell could not be changed.
(c) No direct relationship exists between Internal and external changes in the biochemical machinery of the cell.
(d) Indirect relationship exists between Internal and external in changes the biochemical machinery of the cell.