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

Author Question: The ________ contains the primary biological clock that controls sleep-wake cycles in the rat. A) ... (Read 38 times)

ts19998

  • Hero Member
  • *****
  • Posts: 531
on: Jun 22, 2018
The ________ contains the primary biological clock that controls sleep-wake cycles in the rat.
 
  A) intergeniculate leaflet
  B) pineal gland
  C) suprachiasmatic nucleus
  D) pretectal area
  E) superior colliculus

Question 2

The suprachiasmatic nucleus controls circadian rhythms via
 
  A) indirect neural connections with the hippocampus.
  B) release of hormones from the pituitary.
  C) activation of the ganglion cells of the retina.
  D) secretion of as yet unidentified chemicals.
  E) pathways routed through the paraventricular hypothalamus.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: C

Answer to Question 2

Answer: D
Rationale: The suprachiasmatic nucleus controls circadian rhythms via secretion of as yet unidentified chemicals.


ts19998

  • Hero Member
  • *****
  • Posts: 531
Reply #2 on: Jun 22, 2018
Thank you!


cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #3 on: Jun 22, 2018
Happy to help


« previous next »
 

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

Incomplete dominance in the four-o'clock plant. Incomplete dominance in the four-o'clock plant.
Comparison of the steps of two viral reproductive cycles. Comparison of the steps of two viral reproductive cycles.
Products of the Root's Primary Meristems Products of the Root's Primary Meristems
Examples of Primary (Congenital) Forms of Immunodeficiency Examples of Primary (Congenital) Forms of Immunodeficiency
One pathway of primary succession in Alaska’s Glacier Bay region. One pathway of primary succession in Alaska’s Glacier Bay region.
Steps in most viral replication cycles Steps in most viral replication cycles
Video: Chemical Equilibrium between N2O4 (colorless gas) and NO2 (brown gas)

For a complete list of videos, visit our video library