Answer | Crossword Clue |
---|---|
polymyxin | Any of a group of polypeptide antibiotics that are active chiefly against Gram-negative bacteria |
polymyxins | Any of a group of polypeptide antibiotics that are active chiefly against Gram-negative bacteria |
streptothricin | any of a group of related basic antibiotics produced by a streptomyces and active esp against bacteria |
streptothricins | STREPTOTHRICIN, any of a group of related basic antibiotics produced by a streptomyces and active esp against bacteria |