Question

penicillin was discovered by accident by
robert koch
paul ehrlich
edward jenner
alexander fleming
question 10 (1 point)
who am i? i am a single cell and have no nucleus.
protista
virus
fungus
bacteria

Explanation:

Penicillin was discovered by Alexander Fleming in 1928 by accident. Bacteria are single - celled organisms without a nucleus. Protists have a nucleus, viruses are not cells, and fungi can be single - celled or multicellular with a nucleus.

Answer:

1. Alexander Fleming
2. bacteria