Author Question: When the potential across a membrane reaches threshold, the sodium channels ____. a. open to let ... (Read 115 times)

lb_gilbert

  • Hero Member
  • *****
  • Posts: 588
When the potential across a membrane reaches threshold, the sodium channels ____.
 
  a. open to let sodium enter the cell rapidly
 b. close to prevent sodium from entering the cell
  c. open to let sodium exit the cell rapidly
 d. close to prevent sodium from exiting the cell

Question 2

Your posterior pituitary is most likely to release antidiuretic hormone (ADH) ____.
 
  a. if you are very thirsty
 b. shortly after drinking a large glass of water
 c. if you are very hungry
 d. shortly after eating a large meal



shaquita

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

For a complete list of videos, visit our video library