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Structure and Properties of Amino Acids

Structure and Properties of Amino Acids
Which of the following is a nonprotein amino acid?

Hydroxylysine
Dopamine
None of these
Cystine

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

Alanine
Asparagine
Valine
Proline

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

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

anomers
polymer
enantiomers
epimers

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Structure and Properties of Amino Acids
Which of the following is not a sensible grouping of amino acids based on their polarity properties?

Arg, His, and Lys
Asp, Ile, and Pro
Phe, Trp, and Tyr
Ala, Leu, and Val

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Structure and Properties of Amino Acids
Proteins and macromolecular structures take on their higher order structures

with the help of molecular chaperons
by self-assembly
with the help of precursor sequences that are removed from the final structures
All of these

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MORE MCQ ON Structure and Properties of Amino Acids

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