Why May an Affinity Tag Fusion Protein Be Produced? (Select

Why may an affinity tag fusion protein be produced? (Select all that apply)

A) To increase the biological activity of the protein.
B) To facilitate location intracellularly or intra-organismally of the recombinant protein.
C) To facilitate the purification of the recombinant protein.
D) To ensure correct transcription termination.
E) To ensure that translation starts correctly.