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

Author Question: Seasonal rhythms are under the control of ________ secreted by cells within the ________. a. ... (Read 26 times)

lracut11

  • Hero Member
  • *****
  • Posts: 536
on: Jun 22, 2018
Seasonal rhythms are under the control of ________ secreted by cells within the ________.
 
  a. melatonin; pineal gland
  b. dopamine; hypothalamus
  c. melanopsin; preoptic hypothalamus
  d. oxytocin; pituitary
  e. melatonin; retina

Question 2

The ticking of a clock cell within the SCN appears to involve
 
  a. feedback loops of intracellular protein production.
  b. the rhythmic opening of sodium channels in the membrane.
  c. interactions between two adjacent clock cells.
  d. the rhythmic opening of calcium channels in the membrane.
  e. the buildup of sodium in the clock cell over time.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Gabe

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: a. melatonin; pineal gland

Answer to Question 2

Answer: a. feedback loops of intracellular protein production.


lracut11

  • Member
  • Posts: 536
Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

jomama

  • Member
  • Posts: 346
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
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?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Hormonal control of insect development. Hormonal control of insect development.
Cortical Control of Movement Cortical Control of Movement
Types of white blood cells. Types of white blood cells.
Control of Homeostasis: Negative Feedback Control of Homeostasis: Negative Feedback
Normal red blood cells (round) and sickled red blood cells Normal red blood cells (round) and sickled red blood cells
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library