Search & Filtering
Which of the following is the strongest acid?
O A) butanoic acid
B) 2-methyl-propanoic acid
C) 2-fluoro-butanoic acid
D) 4-chloro-butanoic acid
Which of the following amino acids has the soelectric point in neutral medium?
A) alanine
B) aspartic acid
C) arginine
D) histidine
Sphingomyelin may contain sphingosine residue and...
A) Residues of fatty acid, phosphoric acid and ethanolamine
B) Residues of fatty acid, phosphoric acid and serine
C) Residues of fatty acid, phosphoric acid and choline
D) Residues of fatty acid, phosphoric acid and saccharide
If the hydrolysis of a lipid yields alcohol, fatty acid and sugar, it is:
A) compound lipid
B) simple lipid
C) steroid
D) terpene
Identify the common name of 3-oxobutanoic acid.
A) glyoxylic acid
B) pyruvic acid
C) acetoacetic acid
D) formylacetic acid
Which of the following is a-, B- and y-hydroxy acid at the same time?
A) malic acid
B) citric acid
C) isocitric acid
D) lactic acid
Finish the reaction: C,H,OH+PCI (Conditions for nucleophilic substitution are optimal
A) C₂H/CI+H₂PO4
B) C3H/CI+H3PO3
C) C3H7CI+PCI+H₂O
D) C3H7Cl+POCI3
What is the common name for the class of compounds like RRC-N-NH₂?
A) imine
B) oxime
C) hydrazone
D) hemiacetal
Which of the following is the strongest acid?
A) butanoic acid
B) 2-methyl-propanoic acid
C) 2-fluoro-butanoic acid
D) 4-chloro-butanoic acid
Which of the following disaccharides is a non-reducing sugar?
A) lactose
B) sucrose
C) cellobiose
D) maltose
