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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
Molecules that bear charged groups of opposite polarity are known as

ion conversion
amphions
ambions
zwitterions

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

free c-termini
peptide bonds
aromatic ring
arginine residues

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Structure and Properties of Amino Acids
The α-amino acids have a carboxyl group with a pK around __________ , and an amino group with a pK near __________ .

3.3, and 10.5
6.5, and 8.0
2.2, and 9.4
1.1, and 12.1

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Structure and Properties of Amino Acids
Stereo chemical configuration of all a-amino acids derived from proteins is

D
L
L and D
None of these

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Structure and Properties of Amino Acids
What is the product of the catabolic breakdown of Arginine?

Alpha-ketoglutarate
Fumarate
Oxaloacetate
Succinate

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Structure and Properties of Amino Acids
Which amino acid when exposed to ninhydrin produces a brown color?

Proline
Alanine
Asparagine
Valine

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MORE MCQ ON Structure and Properties of Amino Acids

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