« previous next »

Author Question: Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical ... (Read 30 times)

captainjonesify

  • Hero Member
  • *****
  • Posts: 543
on: Jun 22, 2018
Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical factor.
 
  What will be an ideal response?

Question 2

A stimulus that resets an internal biological clock is termed a ________.
 
  Fill in the blank with the appropriate word.


bbburns21

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: Sleep could be the result of depletion of a wakefulness-promoting factor, whereas waking could result from depletion of a sleep-inducing factor. A key difficulty for this theory is that the hemispheres of the dolphin show alternating sleep-waking patterns.

Answer to Question 2

Answer: zeitgeber


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

There are more bacteria in your mouth than there are people in the world.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

The cell cycle. The cell cycle.
Calvin Cycle Calvin Cycle
The energy cycle of life The energy cycle of life
Blood Transfusion Blood Transfusion
Normal white blood cell and a white blood cell undergoing apoptosis Normal white blood cell and a white blood cell undergoing apoptosis
The three-step cycle of PCR The three-step cycle of PCR
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library