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Questions
Define the following term as related to proteins:
Primary structure
Define the following term:
Primary structure of protein
Solution
The primary structure of protein refers to the specific sequence in which various amino acids are present in it, i.e., the sequence of linkages between amino acids in a polypeptide chain. The sequence in which amino acids are arranged is different in each protein. A change in the sequence creates a different protein.
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RELATED QUESTIONS
How do you explain the amphoteric behaviour of amino acids?
The functional group which is found in amino acids is:
Amino acids are the building blocks of ____________.
Amino acids are classified as acidic, basic or neutral depending upon the relative number of amino and carboxyl groups in their molecule. Which of the following are acidic?
(i)
\[\begin{array}{cc}
\ce{(CH3)2CH - CH - COOH}\\
\phantom{..}|\\
\phantom{.....}\ce{NH2}
\end{array}\]
(ii)
\[\begin{array}{cc}
\ce{HOOC - CH2 - CH2 - CH - COOH}\\
\phantom{............}|\\
\phantom{...............}\ce{NH2}
\end{array}\]
(iii)
\[\ce{H2N - CH2 - CH2 - CH2 - COOH}\]
(iv)
\[\begin{array}{cc}
\ce{HOOC - CH2 - CH - COOH}\\
\phantom{.....}|\\
\phantom{........}\ce{NH2}
\end{array}\]
Assertion: Glycine must be taken through diet.
Reason: It is an essential amino acid.
Which of the following is an ester?
Which one of the following is an essential amino acid?
Draw the zwitter ion structure for sulphanilic acid.
Give a reason for the following observations:
Amino acids behave like salts.
