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WorksheetsAmino Acids
Total questions: 10
Worksheet time: 5mins
What is the name of the monomeric subunits of proteins?
Amido Acid
Amide
Amino Acid
How many amino acids exist?
15
20
23
25
How many amino acids are α-amino acids and how many are β-amino acids?
All of them are α-amino acids
Half of each
Only Lysine and Alanine are β-amino acids
All of them are β-amino acids
When four different groups bonded to a carbon atom can occupy two unique spatial arrangements, the amino acid has:
3 possible stereoisomers
2 possible stereoisomers
2 possible stedeoisomers
3 possible stedeoisomers
Which one is the cause of isomerism?
A chiral center
An acidic reaction
A protein
Which one is NOT an amino acid?
Valine
Cysteine
Praline
Glutamine
The Lambert-Beer law is:
logI0I=ϵcl
logII0=ϵc2l
logII0=ϵcl
A zwitterion is a molecule with two or more functional groups of which:
Al least one has a positive and two have a negative charge, and the net charge of the entire molecule is negative
Al least one has a positive and two have a negative charge, and the net charge of the entire molecule is positive
Al least one has a positive and one has a negative charge, and the net charge of the entire molecule is zero
What are peptides?
Chains of α-amino acids
Chains of β-amino acids
Chains of carboxyl groups
In how many types are amino acids classified on the basis of the polarity and charge of their R groups?
4
5
8
10
