What are ob/ob mice and db/db mice? How are they used as models for research on human disease?

__________ is a hormone released from the small intestine that affects neurons in the arcuate nucleus (ARC) causing a reduction in appetite.

Which age group spends a greater proportion of sleep in REM sleep?

Set points, or optimal levels, should change depending on the demands of the environment. ____________ refers to the behavioral and physiological changes that occur to maintain homeostasis when the demands change.

There is some support for the idea that omega-3 fatty acids may help with

Which of the following is not true about melatonin?

Six-year-old Rosa loves her freshwater goldfish named Baxter. She feels bad that Baxter is stuck in his tiny fishbowl, so when the family takes a trip to the beach, she takes Baxter along and lets him go into the ocean. What she doesn’t see as Baxter swims away is that

How do the genes called period and timeless affect the regulation of the rhythmic activity of cells?

Cetaceans such as dolphins and porpoises show __________ sleep, which means that half of their brain sleeps at a time.

Which of the following is not true about glucose-sensing neurons?