Following World War II, American scientists made a critical contribution to the development of penicillin by
A. demonstrating the value of antiseptic solutions to prevent infection.
B. developing methods for its mass production and commercial distribution.
C. discovering that it could be used to treat streptococcal blood infections.
D. effectively using the antibacterial agent known as sulfanilamide.
E. discovering the antibacterial properties for which the drug was named.
Answer: B
You might also like to view...
The Muslim Brotherhood was founded by ________
A) Hasan al-Banna B) Hosni Mubarak C) Mustafa Kemal D) Anwar Sadat
Frederick Douglass expressed skepticism toward William Lloyd Garrison because Garrison __________
A) secretly accepted money from slaveholders B) employed free black servants whom he treated poorly C) refused to speak to southern audiences D) tried to control black abolitionists to impose his own preferences on their activism
The war hawks claimed a war with Britain would result in which of the following?
A) the demise of the British Empire B) true independence C) the resumption of the slave trade D) decades of unrest
According to Keene, no American soldier ever testified against any actors in the My Lai massacre
A) True B) False