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Questions and Answers
What is the primary function of a zeitgeber?
What is the primary function of a zeitgeber?
- To synchronize an organism's behavior with the environment
- To regulate an organism's internal clock (correct)
- To alter an organism's circadian rhythm
- To generate an organism's endogenous rhythm
Which brain area is responsible for serving as the master internal clock?
Which brain area is responsible for serving as the master internal clock?
- Cerebral cortex
- Medulla oblongata
- Cerebellum
- Hypothalamus (correct)
What is the primary advantage of biological rhythms?
What is the primary advantage of biological rhythms?
- Increased energy expenditure
- Increased lifespan
- Enhanced cognitive function
- Improved coordination with the environment (correct)
Which type of biological rhythm is approximately monthly?
Which type of biological rhythm is approximately monthly?
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What is the term for the daily biological rhythm?
What is the term for the daily biological rhythm?
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Where is the master internal clock, the suprachiasmatic nucleus (SCN), located in the brain?
Where is the master internal clock, the suprachiasmatic nucleus (SCN), located in the brain?
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What is the role of the Clock/Cycle_BMAL dimer in the molecular clock?
What is the role of the Clock/Cycle_BMAL dimer in the molecular clock?
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How does light entrain the molecular clock in the SCN?
How does light entrain the molecular clock in the SCN?
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What is the role of melatonin in determining the time of year in animals?
What is the role of melatonin in determining the time of year in animals?
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How can hormones indirectly affect the SCN?
How can hormones indirectly affect the SCN?
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