Perfectly packaged: Cross-sections of the empty phi29 prohead (left) and fully assembled virus (right) filled with DNA. A molecular motor (not shown) transports the DNA (red) into the prohead through ...
No extant maker's markings. Two circular field coils, 5" in diameter, are affixed to a wooden base with two metal straps. The field coils stand vertically with a coil armature rotating between them on ...
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