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WorksheetsExercise: Amino Acids
Total questions: 9
Worksheet time: 5mins
Amino acid is a compound that consists of at least one group of
amino and one amide group
hydroxyl and one amine group
amino and one hydroxyl group
amino and one carboxyl group
The general structural formula of an amino acid is
Amino acid having both positive and negative charge is called (a)
Which of the following statement is true about aminoethanoic acid?
It exhibits optical isomerism.
It exists in the anionic form in acidic solution.
It forms zwitterions in aqueous solution
It is soluble in non-polar solvents.
What species is produced when 2-aminopropanoic acid (pI = 6) is dissolved in a solution with pH = 2?
Identify the peptide bond for the following polypeptide.
A
B
C
D
Consider the following amino acid:
Which of the following statement(s) is(are) true about the amino acid?
It is in anionic form in neutral solution
It is in cationic form in acidic solution.
It exists in zwitterionic form in solution with pH 9.74
Bacteria requires p-aminobenzoic acid (PABA) in order to biosynthesise folic acid, an essential growth factor. PABA
exists as a pair of optical isomers
reacts with aqueous NaOH to form a salt
reacts with hydrochloric acid to form a salt
