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Structure and Properties of Amino Acids

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

Alanine
Valine
Proline
Asparagine

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

Cysteine
Hydroxyproline
Isoleucine
Histidine

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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
An essential amino acid is one that

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

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Structure and Properties of Amino Acids
Which of the following amino acid is known as half-cystine residue?

Histidine
Isoleucine
Cysteine
Valine

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Structure and Properties of Amino Acids
In a polypeptide average mass of an amino acid residue is

150 daltons
80 daltons
110 daltons
118 daltons

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MORE MCQ ON Structure and Properties of Amino Acids

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