The “mother of plant virology and serology,” Helen Purdy Beale, developed techniques to understand the nature of viruses that went unappreciated for decades.
Viral Discoveries, 1929
Viral Discoveries, 1929
The “mother of plant virology and serology,” Helen Purdy Beale, developed techniques to understand the nature of viruses that went unappreciated for decades.
The “mother of plant virology and serology,” Helen Purdy Beale, developed techniques to understand the nature of viruses that went unappreciated for decades.
Viruses are incapable of reproducing without the help of a host, whose cells copy their genetic material and fabricate the building blocks of new virus particles.