All bacteriophages are composed of a nucleic acid molecule that is surrounded by a protein structure. A bacteriophage attaches itself to a susceptible bacterium and infects the host cell.

A nucleic acid is a long molecule made up of smaller molecules called nucleotides. Nucleic acids were discovered in 1868, when twenty-four-year-old Swiss physician Friedrich Miescher isolated a ...

Founder@Hoxton VC. Bacteriophage. A bacteriophage is constituted of a proteic envelope (called capsid), containing its ... [+] nucleic acid (DNA or RNA), and a tail. The tail includes a collar ...