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An amino acid contain a carboxyl group and amino group whose ${pK}_{a}$ values are $3.30 and 9.0$ respectively. The value of pH at this isoelectric point is _ and it is a _ amino acid. Choose the correct option to fill blanks.

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Important Questions on Biomolecules

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Thiol group is present in:

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Which of the following statements is not correct?

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Chemistry>Organic Chemistry>Biomolecules>Proteins

The predominant form of histamine present in human blood is

({pK}_{a}, Histidine = 60)

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Chemistry>Organic Chemistry>Biomolecules>Proteins

The correct sequence of amino acids present in the tripeptide given below is:
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Chemistry>Organic Chemistry>Biomolecules>Proteins

Among the

α

-amino acid-threonine, tyrosine, methionine, arginine and tryptophan, those which contain an aromatic group in their side chain are

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Observation of "Rhumann's purple" is a confirmatory test for the presence of:

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Assume a spherical mammalian cell has a diameter of 27 microns. If a polypeptide chain with alpha-helical conformation has to stretch across the cell, how many amino acids should it be comprised of?

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Which of the following is not an essential amino acid?

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Chemistry>Organic Chemistry>Biomolecules>Proteins

The amino acid which is basic in nature is

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Among the following, the essential amino acid is:

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Among the following compounds most basic amino acid is:

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Chemistry>Organic Chemistry>Biomolecules>Proteins

The correct structure of histidine in a strongly acidic solution

(pH = 2)

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Consider the following sequence for aspartic acid:

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The pH (Isoelectric point) of aspartic acid is:

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Which of the following tests cannot be used for identifying amino acids?

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Chemistry>Organic Chemistry>Biomolecules>Proteins

The non-essential amino acid among the following is:

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Which compound can exist in a dipolar (zwitter ion) state?

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Chemistry>Organic Chemistry>Biomolecules>Proteins

Which of the following is a basic amino acid?

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Chemistry>Organic Chemistry>Biomolecules>Proteins

The number of peptide bonds in the compound

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Chemistry>Organic Chemistry>Biomolecules>Proteins

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Chemistry>Organic Chemistry>Biomolecules>Proteins

In a protein molecule various amino acids are linked together by:

An amino acid contain a carboxyl group and amino group whose pKa values are 3.30 and 9.0 respectively. The value of pH at this isoelectric point is _____ and it is a _____ amino acid. Choose the correct option to fill blanks.

Important Questions on Biomolecules

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An amino acid contain a carboxyl group and amino group whose ${pK}_{a}$ values are $3.30 and 9.0$ respectively. The value of pH at this isoelectric point is _ and it is a _ amino acid. Choose the correct option to fill blanks.