Schematically represent primary, seconda | Class 11 Biology Chapter Biomolecules, Biomolecules NCERT Solutions

Question:

Schematically represent primary, secondary and tertiary structures of a hypothetical polymer say for example a protein.
 

Answer:

Proteins forms about 12% of the cell contents. These are composed of carbon, hydrogen, oxygen, nitrogen and Sulphur. There are four structural level of proteins but in the question only three are given to explain:

  1. Primary: The linear sequence of amino acid units in a polypeptide chain is called the primary structure.
  2. Secondary: Two or more polypeptide chains may join together by intermolecular hydrogen bonds and may bend into parallel folds to form a β- pleated sheet. The alpha helix, random coil and β- pleated conformations are termed as the secondary structure of proteins.
  3. Tertiary: The helical polypeptide molecules may fold on itself and assume a complex but specific form- spherical, rod- like or any form in-between these. These geometrical shapes are known as the tertiary structure of protein molecules. 

structure

 


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Welcome to the NCERT Solutions for Class 11 Biology - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 3: Schematically represent primary, secondary and tertiary structures of a hypothetical polymer say for....

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