Author Question: When a neuron is at rest, what is its electrical charge? a) -80 millivolts b) +70 millivolts ... (Read 65 times)

tth

  • Hero Member
  • *****
  • Posts: 579
When a neuron is at rest, what is its electrical charge?
 
  a) -80 millivolts
  b) +70 millivolts
  c) -70 millivolts
  d) +50 millivolts
  e) -60 millivolts

Question 2

The sodium-potassium pump
 
  a) exchanges three Na+ ions inside the cell for two K+ ions that are outside the cell.
  b) exchanges three K+ ions inside the cell for two Na+ ions that are outside the cell.
  c) exchanges two Na+ ions inside the cell for three K+ ions that are outside the cell.
  d) exchanges two K+ ions inside the cell for every three Na+ ions that are outside the cell.
  e) exchanges two K+ ions inside the cell for every two Na+ ions that are outside the cell.



fauacakatahaias

  • Sr. Member
  • ****
  • Posts: 353
Answer to Question 1

Answer: C

Answer to Question 2

Answer: A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

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 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library