Answer:
These observations led two German scientists, named Theodor Schwann and Matthias Jakob Schleiden, to propose that cells are the basic building blocks of all living things. Around 1850, a German doctor named Rudolf Virchow was studying cells under a microscope when he happened to see them dividing and forming new cells
Explanation:
Penicillin was an accidental discovery I believe
We do not get to see the picture. But from the description, it would be cocci because they are round.
The guidelines suggest 3 to 5 servings of vegetables a day