What Is The Basic Structure Of A Bacteriophage?

What Is The Basic Structure Of A Bacteriophage? The nucleic acid may be either DNA or RNA and may be double-stranded or single-stranded. There are three basic structural forms of phage: an icosahedral (20-sided) head with a tail, an icosahedral head without a tail, and a filamentous form. What is the structure and function of