Question

14.4 When aspirin was first commercially available its was .....

A sold over the counter

B only available in liquid form

C available only in clinics and hospitals

D available for home use with a prescription.

14.5 Early penicillin clinical trials were hampered by an inadequate supply of the drug. A good source for a mold strain that produced a lot of the compound was found in a ___.

A moldy piece of bread

B mold found in a week-old cup of coffee

C moldy cantaloupe at a market

D a black mold found on the wall in a damp room

14.6 Penicillin resistant strains of bacteria developed the enzyme __ to inactivate the drug.

A β-hydrolase

B β-lactamase

C trypsin

D elastase

E transpeptidase

Answer 1

14.4. Option C is correct as at the start the aspirin was distributed by disthe Bayer in the form of powder with to the physicians to give to the patients.

14.5. option A is correct as Moldy piece of bread is served as good source of mood strain producing lots of antibiotics compounds

14.6. Option B is correct as penicillin resistant strains of bacteria produce the β-lactamase enzyme to inactivate the drug