Biology · Chemical Coordination and Integration
A hormone rapidly increases heart rate and blood glucose levels by activating cAMP inside target cells without entering the cell membrane. Which type of hormone action mechanism is involved here?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Steroid hormone acting through a nuclear receptor
- 2Peptide or amino-acid derivative hormone using a second messenger✓
- 3Iodothyronine-mediated gene regulation
- 4Direct enzyme activation in the cytoplasm without receptors
Correct answer
Peptide or amino-acid derivative hormone using a second messenger
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