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Indian Forest Service (Mains)

Chemistry optional

  • 2 papers
  • 200 marks each
  • 3 h per paper

Paper II covers organic chemistry and spectroscopy.

Indian Forest Service (Mains), Chemistry optional · 2021 · Paper II

Q6(b)(i). Tertiary protein structure

Question

Explain the bonding and nonbonding interactions responsible for protein tertiary structure.

Answer in brief

Tertiary structure is stabilized collectively by the hydrophobic effect, hydrogen bonds, ionic interactions, dispersion forces and, where present, disulfide crosslinks.

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The full model answer

As written for the answer booklet: the diagram carries the working, the lines stay short. Read here only; it is not offered as a download.

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Topic notes: biopolymers: proteins, peptides, DNA and RNA, with every Civil Services, IFoS and Geo-Scientist PYQ →

Coverstertiary structure of proteinshydrophobic effectdisulfide bondsalt bridgeshydrogen bonding

All parts of Question 6