Which statement is true for the antibiotic penicillin?

A. Watson and Crick developed the usage of penicillin.
B. Penicillin blocks processes unique to eukaryotic cells.
C. Viruses lack metabolism and penicillin has no effect on them.
D. Florey and Chain sequenced the genome of Penicillium notatum.

C

This question was in general well answered, as candidates recognized that antibiotics do not affect viruses.