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Question: Answered & Verified by Expert
Calcitonin is
BiologyChemical Coordination and IntegrationNEET
Options:
  • A protein hormone
  • B increases blood calcium level
  • C secreted from parathyroid gland
  • D both 'a' and 'b'
Solution:
1345 Upvotes Verified Answer
The correct answer is: protein hormone
Calcitonin is a protein hormone with 32 amino acids. It is secreted by the thyroid gland to decrease the blood calcium level. Thyrocalcitonin (TCT) suppresses the release of calcium ions from the bones and acts antagonist to the parathyroid homone.

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