Multiple Choice
All of the following are true about penicillin EXCEPT:
A) It was discovered by Alexander Fleming.
B) It was an accidental discovery.
C) It is produced by a bacterium.
D) It was the first antibiotic used by humans.
E) It was purified by Florey and Chain.
Correct Answer:

Verified
Correct Answer:
Verified
Q31: In the three-domain model, the bacterial ancestor
Q33: How is most sterilization performed for the
Q36: The environment of early Earth may have
Q37: How are microbes classified today?<br>A) comparative genomics<br>B)
Q38: Analysis of DNA sequences reveals:<br>A) the ancient
Q40: What is the basis for the modern
Q44: How do microbes help in the extraction
Q57: What is the significance of the work
Q58: Is it true that only culturable bacteria
Q65: Explain why the organisms that were studied