bacteriophage t4 isometric capsid

axes background bacteria bacteriophage bacteriophages biology capsid chain chemistry coli color colorful dimensional disease dna doublestranded element envelope escherichia family gaussian geometry graphic green icosahedral icosahedron illustration infect infection isolated isometric macro matrix microbiology model molecule morphology myoviridae pattern phage polymer protein proteins regular species structure surface symmetry tevenvirinae three virion virology virus white