MEDIUM
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What are simple proteins?

Important Questions on Biomolecules

EASY
Among the following, the essential amino acid is:
HARD
The predominant form of histamine present in human blood is pKa, Histidine=60
EASY
Which of the following is a basic amino acid?
HARD
The correct structure of histidine in a strongly acidic solution pH=2 is
EASY
The non-essential amino acid among the following is:
EASY
Which of the following statements is not correct?
EASY
The correct statement about the denaturation of a protein is
EASY
Which of the following is the least likely to be involved in stabilizing the three-dimensional folding of most proteins?
MEDIUM
The correct corresponding order of names of four aldoses with configuration given below respectively, is

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EASY
Which compound can exist in a dipolar (zwitter ion) state?
EASY
Among the following compounds most basic amino acid is:
MEDIUM
Name an amino acid which is optically inactive.
MEDIUM
Consider the following sequence for aspartic acid:


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The pH (Isoelectric point) of aspartic acid is:
MEDIUM
Which among the following formulae represents the ω-amino caproic acid?
HARD
A tetrapeptide is made of naturally occurring alanine, serine, glycine and valine. If the C-terminal amino acid is alanine and the N-terminal amino acid is chiral, the number of possible sequences of the tetrapeptide is
EASY
The amino acid which is basic in nature is
EASY

The correct sequence of amino acids present in the tripeptide given below is:
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EASY
In a protein molecule various amino acids are linked together by: