« previous next »

Author Question: Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical ... (Read 13 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?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Cellular Respiration -- Calvin Cycle Cellular Respiration -- Calvin Cycle
ABO Blood Typing ABO Blood Typing
The chemical structure of the water molecule facilitates life The chemical structure of the water molecule facilitates life
The Circulatory and Lymphatic Systems Blood and lymph are fluids that circulate throughout the body The Circulatory and Lymphatic Systems Blood and lymph are fluids that circulate throughout the body
Blood and Nerve Supply of Bone Blood and Nerve Supply of Bone
Life cycle of a club fungus having two mating strains of hyphae Life cycle of a club fungus having two mating strains of hyphae
Video: Hormonal feedback loop components

For a complete list of videos, visit our video library