This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Evaluate the hypothesis that the suprachiasmatic nucleus (SCN) acts as the primary biological clock. ... (Read 32 times)

jayhills49

  • Hero Member
  • *****
  • Posts: 559
on: Jun 22, 2018
Evaluate the hypothesis that the suprachiasmatic nucleus (SCN) acts as the primary biological clock.
 
  What will be an ideal response?

Question 2

After his penis was destroyed at age 7 months in a botched circumcision procedure, Bruce (the subject of the chapter prologue)
 
  A) then became Brenda.
  B) retained his a male identity.
  C) received regular injections of testosterone from age 15 to 30 .
  D) was given a penile implant at age 5.
  E) received estrogen pills starting at age 5.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

patma1981

  • Sr. Member
  • ****
  • Posts: 292
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: The SCN receives afferent signals from the retina (melanopsin in ganglion cells) that provide the capacity of light signals to reset the clock (zeitgeber function). Damage to the SCN impairs circadian rhythms. Cells within the SCN show reliable changes in neural activity across the day and the night. Transplanted SCN cells placed into the ventricles are sufficient to restore circadian rhythms in hamsters whose own SCN was ablated.

Answer to Question 2

Answer: A


jayhills49

  • Member
  • Posts: 559
Reply 2 on: Jun 22, 2018
Wow, this really help

ricroger

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Every flu season is different, and even healthy people can get extremely sick from the flu, as well as spread it to others. The flu season can begin as early as October and last as late as May. Every person over six months of age should get an annual flu vaccine. The vaccine cannot cause you to get influenza, but in some seasons, may not be completely able to prevent you from acquiring influenza due to changes in causative viruses. The viruses in the flu shot are killed—there is no way they can give you the flu. Minor side effects include soreness, redness, or swelling where the shot was given. It is possible to develop a slight fever, and body aches, but these are simply signs that the body is responding to the vaccine and making itself ready to fight off the influenza virus should you come in contact with it.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Primary and secondary immune responses. Primary and secondary immune responses.
The locations of human primary somatosensory cortex (SI) and one area of secondary somatosensory ... The locations of human primary somatosensory cortex (SI) and one area of secondary somatosensory ...
How to evaluate limits using algebra and the limit laws (Part 2) How to evaluate limits using algebra and the limit laws (Part 2)
How to evaluate composite functions (f∘g∘h) (Part 3) How to evaluate composite functions (f∘g∘h) (Part 3)
A clock is showing the time as exactly 3:00 p.m. and 25 s. A clock is showing the time as exactly 3:00 p.m. and 25 s.
Some Cofactors in Biological Systems Some Cofactors in Biological Systems
Video: ETC Protein Complexes & Chemiosmosis (Total ATP Production and ATP Synthase)

For a complete list of videos, visit our video library