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An "International Unit" of penicillin activity established in 1944 is amount of penicillin equivalent to | |
A. | 0.6 micrograms of crystalline penicillin G of about 98% purity [Correct Answer] |
B. | 0.6 micrograms of crystalline penicillin F of about 98% purity [Wrong Answer] |
C. | 0.8 micrograms of crystalline penicillin G of about 98% purity [Wrong Answer] |
D. | 0.8 micrograms of crystalline penicillin G of about 90% purity [Wrong Answer] |