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प्रश्न
What type of bonding helps in stabilising the α-helix structure of proteins?
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उत्तर
α-Helix is one of the most common ways in which a polypeptide chain forms all possible hydrogen bonds by twisting into a right handed screw (helix) with the –NH group of each amino acid residue hydrogen bonded to the \[\begin{array}{cc}\backslash\phantom{.....}\\\ce{C=O}\\/\phantom{......}\end{array}\] of an adjacent turn of the helix.
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संबंधित प्रश्न
How are proteins classified on the basis of molecular shapes?
How is tripeptide formed?
Discuss the optical activity of lactic acid.
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(i) Insulin
(ii) Keratin
(iii) Albumin
(iv) Myosin
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(i) van der Waals forces
(ii) disulphide linkage
(iii) electrostatic forces of attraction
(iv) hydrogen bonds
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(i) Guanine
(ii) Adenine
(iii) Thymine
(iv) Uracil
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\[\ce{\underset{(Glycine)}{H2N - CH2 - COOH}}\];
\[\begin{array}{cc}
\ce{H2N - CH2 - COOH}\\
|\phantom{......}\\
\ce{\underset{(Alanine)}{CH3}\phantom{...}}
\end{array}\]
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Reason (R): The secondary structure of proteins is stabilized by hydrogen bonding.
Select the most appropriate answer from the options given below:
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