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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
In a polypeptide average mass of an amino acid residue is

118 daltons
110 daltons
80 daltons
150 daltons

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Structure and Properties of Amino Acids
Coomassie Blue stains the proteins by reacting with

aromatic ring
peptide bonds
arginine residues
free c-termini

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Structure and Properties of Amino Acids
Which of the following is an essential amino acid?

All of these
Lysine
Methionine
Tryptophan

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Structure and Properties of Amino Acids
Which of the following is not an essential amino acid?

All of these
Glutamic acid
Glycine
Aspartic acid

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Structure and Properties of Amino Acids
The sequence of letters 'WYQN' will represent

Glutamine, tyrosine, tryptophan, aspartic acid
Tryptophan, tyrosine, glutamine, asparagine
Tryptophan, tyrosine, glutamic acid, asparagine
Tryptophan, glutamine, tryptophan, asparagine

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Structure and Properties of Amino Acids
When the amino acid alanine (R-group is CH3) is added to a solution with a pH of 7.3, alanine becomes

an isotope
nonpolar
a cation
a zwitterions

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MORE MCQ ON Structure and Properties of Amino Acids

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