The structure shown is Singulair® (montelukast) a medication used to manage asthma.  Assign the absolute configuration of the chiral center as R or S. Periodic Table-1.pdf A) R B) S C) R and S are both possible D) The chiral center is neither R or S

Assign the absolute configuration of the chiral center as R or S.  Periodic Table.pdf A) R B) S C) R and S are both possible D) The chiral center is neither R or S

Which arrow(s) indicates chiral center(s) in nicotine, the molecule shown below? A) a B) b C) c and d D) d and e E) a, b, and d

Which of the following is the correct IUPAC name of the following structure? A) (S)-3-ethyl-2-methylhexane B) (R)-3-ethyl-2-methylhexane C) (S)-3-ethyl-2-methylpentane D) (R)-3-ethyl-2-methylpentane

Which of the following indicates a reaction with a negative ∆G? A) endergonic, spontaneous B) endergonic, not spontaneous C) exergonic, spontaneous D) exergonic, not spontaneous  

Which of the following structures is (R)-4-ethyloctane? A) I B) II C) III D) IV E) V

The structure shown is Plavix® (clopidogrel), a medication used to manage blood clots.  Assign the absolute configuration of the chirality center as R or S. A) R B) S C) R and S are both possible D) The chiral center is neither R or S

What port does DNS operate on? 

Contains a read-only copy of the zone file and is used to respond to DNS lookup requests. 

Resolves and IP address to an FQDN.