STRUCTURE AND PROPERTIES OF AMINO ACIDS QUIZ

Which of the following is not an essential amino acid?

Aspartic acid

All of these

Glutamic acid

Glycine

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Which of the following is not the hydrophobic and aromatic amino acid?

Tyrosine

Phenylalanine

Tryptophan

None of these

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Which of the following is not a sensible grouping of amino acids based on their polarity properties?

Ala, Leu, and Val

Phe, Trp, and Tyr

Arg, His, and Lys

Asp, Ile, and Pro

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Which of the following amino acid is known as half-cystine residue?

Cysteine

Histidine

Isoleucine

Valine

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The sequence of letters 'WYQN' will represent

Tryptophan, tyrosine, glutamine, asparagine

Tryptophan, glutamine, tryptophan, asparagine

Glutamine, tyrosine, tryptophan, aspartic acid

Tryptophan, tyrosine, glutamic acid, asparagine

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What is the product of the catabolic breakdown of Arginine?

Oxaloacetate

Alpha-ketoglutarate

Fumarate

Succinate

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Proteins and macromolecular structures take on their higher order structures

by self-assembly

with the help of molecular chaperons

with the help of precursor sequences that are removed from the final structures

All of these

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Coomassie Blue stains the proteins by reacting with

aromatic ring

arginine residues

peptide bonds

free c-termini

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Which amino acid when exposed to ninhydrin produces a brown color?

Alanine

Asparagine

Proline

Valine

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Which pair of amino acids absorbs the most UV light at 280 nm?

Trp & Tyrosine

Threonine & Histidine

Cystein & Asparagine

Phenylalnine & Proline

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