What did you learn from the discovery of penicillin?
What will be an ideal response?
Years later, Dr, Chain, a chemist, read Dr. Fleming’s paper and decided to perform
experiments to fi nd out why fungal growth inhibited bacterial growth. He isolated the
penicillin compound. As a result of World War II, the English and American governments
fi nanced a team of English and American scientists for the purpose of determining how to
mass produce penicillin. This was the fi rst example of mass production of an antibiotic.
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____________ is the time an animal must be taken off a medication before slaughter
a. Detoxification c. Withdrawal period b. Immunization d. Quarantine period
Footings for chimneys, columns, or piers should be larger than for an ordinary masonry wall.
Answer the following statement true (T) or false (F)
The statement that total current entering a point must equal total current leaving that point best describes
_____. a. Ohm?s law b. Coulomb?s total current law c. The Theory of Relativity d. Kirchhoff?s current law
Which type of washer is used to provide an even clamping force?
A) Lock washer B) Flat washer C) Star washer D) None of these