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Structure and Properties of Amino Acids

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

Malate
Fumarate
Oxaloacetate
Pyruvate

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Structure and Properties of Amino Acids
How many different amino acids are there?

100
An infinite number
3
20

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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

nonpolar
a cation
an isotope
a zwitterions

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

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

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

L and D
L
None of these
D

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

Tyrosine
Phenylalanine
Tryptophan
Arginine

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MORE MCQ ON Structure and Properties of Amino Acids

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