Alexander Fleming was born in a remote ... Fleming searched for an effective antiseptic. He discovered lysozyme, an enzyme occurring in many body fluids, such as tears. It had a natural ...

Alexander Fleming returned to his research laboratory ... He wanted to find a chemical that could stop bacterial infection. He discovered lysozyme, an enzyme occurring in many body fluids, such ...

Alexander Fleming was born in a remote, rural part of Scotland ... Mary's lab in the 1920s, Fleming searched for an effective antiseptic. He discovered lysozyme, an enzyme occurring in many body ...