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Biomolecules — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistryBiomolecules5 Marks
Question
  1. State two main differences between globular proteins and fibrous proteins.
  2. Based on their chemical composition, state how are lipids classified Give one example of each class.
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Answer

  1. Sr. No.
    Globular Proteins
    Fiberous Proteins
    I.
    II.
    They are cross linked condensation products .
    Three dimensional spherical shape.
    They are linear condensation products.
    Rod like rigid shape.

  2. Lipids are naturally occuring compounds related to fatty acids which include fats, oils, waxes, etc.

  1. Simple lipids (Homolipids): e.g, neutral fats/waxes.
  2. Compound Lipids (Hetrolipids): e.g, Phospholopids/Glycolipids.
  3. Derived Lipids: fatty acids/fatty alcohols/steroids/terpenes, etc.

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