NEET 2011
- Exam
- NEET
- Year
- 2011
- Subject
- Zoology
- Chapter
- Chemical Coordination and Integration
NEET 2011 · Zoology · Chemical Coordination and Integration
The 24 hour (diurnal) rhythm of our body such as the sleep-wake...
The 24 hour (diurnal) rhythm of our body such as the sleep-wake cycle is regulated by the hormone
Options
- Acalcitonin
- Bprolactin
- Cadrenaline
- Dmelatonin
Correct answer
D. melatonin
Step-by-step solution
Melatonin, also known as chemically N-acetyl 5-methoxytryptamine is a naturally occurring compound found in animals, plants and microbes. In animals, circulating levels of the hormone melatonin vary in a daily cycle, thereby allowing the entraiment of the circadian rythms of several biological functions.