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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
Protein fluorescence arises primarily from which residue?

Tyrosine
Arginine
Phenylalanine
Tryptophan

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Structure and Properties of Amino Acids
The isoelectric point of an amino acid is defined as the pH

where the carboxyl group is uncharged
of maximum electrolytic mobility
where the molecule carries no electric charge
where the amino group is uncharged

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Structure and Properties of Amino Acids
Which pair of amino acids absorbs the most UV light at 280 nm?

Cystein & Asparagine
Trp & Tyrosine
Threonine & Histidine
Phenylalnine & Proline

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Structure and Properties of Amino Acids
An essential amino acid is one that

is essentially easy to synthesize
the body can synthesize under essential conditions
is essential to flagella motion
the body cannot synthesize

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Structure and Properties of Amino Acids
D-Alanine and L-Alanine are technically known as

polymer
enantiomers
epimers
anomers

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Structure and Properties of Amino Acids
Serine and threonine are polar amino acids due to

reactive keto group in the side chain
reactive hydroxyl group in the side chain
reactive aldehyde group in the side chain
reactive alcoholic group in the side chain

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MORE MCQ ON Structure and Properties of Amino Acids

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