NEET 2012 · Class 11

Chemical Coordination and Integration

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it (mostly in the nucleus)?

  1. (A)Insulin, glucagon
  2. (B)Thyroxine, insulin
  3. (C)Somatostatin, oxytocin
  4. (D)Cortisol, testosterone

The NCERT line that answers it

Verbatim line

Hormones which interact with intracellular receptors (e.g., steroid hormones, iodothyronines, etc.) mostly regulate gene expression or chromosome function by the interaction of hormone-receptor complex with the genome.

Chapter
Chemical Coordination and Integration
Section
19.4 MECHANISM OF HORMONE ACTION

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that steroid hormones (which include cortisol and testosterone) interact with intracellular receptors, which matches the MCQ's requirement for hormones that pass through the cell membrane and bind to receptors inside the nucleus.

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