What is the only a-amino acid that does not have a stereogenic ...

[Bob-Dole]

What is the only a-amino acid that does not have a stereogenic carbon?
  A)
  glycine
  B)
  alanine
  C)
  phenylalanine
  D)
  valine
  E)
  leucine

Question 2

What is the name of the following molecule?
   
   
   
   
   
   
  A)
  3-amino-3-phenylvaleric acid
  B)
  4-amino-4-methyl-4-phenylbutanoic acid
  C)
  4-amino-4-phenylpentanoic acid
  D)
  4-amino-4-phenyl-4-methylbutanoic acid
  E)
  2-amino-2-phenylbutanoic acid

Question 3

Which of the following molecules is a-aminopropanoic acid?
  A)
   
 
  D)
   
 
  B)
   
 
  E)
   
 
  C)
   
 

Question 4

The structure of an L-aldotetrose that would give an optically inactive alditol upon reduction with sodium borohydride (NaBH₄) is:
  A)
   
 
  D)
   
 
  B)
   
 
  E)
   
 
  C)
   
 

Question 5

An intermediate in the following glycoside hydrolysis is:
   
 
  A)
   
 
  D)
   
 
  B)
   
 
  E)
   
 
  C)
   
 

Question 6

The product of the following reaction sequence is:
   
 
  A)
   
 
  D)
   
 
  B)
   
 
  E)
   
 
  C)
   
 

Question 7

Which of the following reagents will oxidize an aldose to an aldaric acid?
  A)
  HNO₃
  B)
  Br₂, H₂O
  C)
  NaBH₄
  D)
  PCC
  E)
  Tollens' reagent

[b614102004]

Answer to Question 1

a

Answer to Question 2

c

Answer to Question 3

b

Answer to Question 4

d

Answer to Question 5

c

Answer to Question 6

a

Answer to Question 7

a

[Bob-Dole]

Excellent

[dreamfighter72]

YES! Correct, THANKS for helping me on my review