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Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYChemical Coordination and integration1 Mark
MCQ
Insulin receptors are:
  • A
    Extrinsic protein
  • B
    Intrinsic protein
  • C
    G-protein
  • D
    Trimeric protein
✓

Answer

  1. Extrinsic protein

Explanation:

The insulin receptor (IR) is a transmembrane receptor which is present in the extrinsic protein. It is activated by insulin, IGF-I, IGF-II and belongs to the large class of tyrosine kinase receptors. 

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