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STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 19. Chemical coordination and integration1 Mark
MCQ
Some hormone need the secondary messenger, because
  • A
    They need activator
  • ✓
    They can't cross cells membrane
  • C
    They can cross cells membrane
  • D
    They need a prosthetic group
✓

Answer

Correct option: B.
They can't cross cells membrane
b
The hormones which are proteinaceous in nature generally can't pass through the cell membrane. So, they generate the secondary messenger like $i$ which regulate the further changes in target cell

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