【单选题】A researcher is trying to design an antibiotic to kill bacteria but not harm any human cells. Which one of the following theoretically could be used for this purpose?
A.
A medication that inhibits reactions using only D-amino acids
B.
A medication that inhibits reactions using only L-amino acids
C.
A medication that inhibits reactions using only amino acids containing a β -amino group
D.
A medication that inhibits reactions using only amino acids containing a γ -amino group
E.
A medication that only inhibits reactions using only aromatic aminoacids
【单选题】A company paid $150,000, plus a 6% commission and $4,000 in closing costs for a property. The property included land appraised at $87,500, land improvements appraised at $35,000, and a building apprai...
A.
Land $75,000; Land Improvements, $30,000; Building, $45,000.
B.
Land $75,000; Land Improvements, $30,800; Building, $46,200.
C.
Land $81,500; Land Improvements, $32,600; Building, $48,900.
D.
Land $79,500; Land Improvements, $32,600; Building, $47,700.
E.
Land $87,500; Land Improvements; $35,000; Building; $52,500.