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

Author Question: In order to produce a depolarization or hyperpolarization of the postsynaptic membrane, ... (Read 12 times)

sc00by25

  • Hero Member
  • *****
  • Posts: 596
on: Jun 22, 2018
In order to produce a depolarization or hyperpolarization of the postsynaptic membrane, neurotransmitters
 
  a. diffuse widely in the brain to exert changes in metabolism.
  b. act through ionotropic receptors to activate a second-messenger.
  c. are released into the synapse from the cisternae.
  d. open ion channels in the postsynaptic membrane.
  e. alter ion channel activity for minutes.

Question 2

Ca++ enters the cell when an action potential is generated. Diffision and electrostatic pressures push Ca++ into the cell. Ca++ channels are
 
  a. passive.
  b. chemically-gated.
  c. voltage-gated.
  d. always open.
  e. chemically-gated and voltage-gated.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

isabelt_18

  • Sr. Member
  • ****
  • Posts: 342
Reply #1 on: Jun 22, 2018
Answer to Question 1

Answer: d. open ion channels in the postsynaptic membrane.

Answer to Question 2

Answer: e. chemically-gated and voltage-gated.


sc00by25

  • Member
  • Posts: 596
Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

aliotak

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Plant apical meristems and the primary tissues they produce. Plant apical meristems and the primary tissues they produce.
As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ... As some groups do ethnic work, they produce a mythical long-lost heritage, as in this photo of ...
Three factors that influence the distribution of Na+ and K+ ions across the neural membrane. Three factors that influence the distribution of Na+ and K+ ions across the neural membrane.
Examples of structures for several integral membrane proteins Examples of structures for several integral membrane proteins
Co-translational insertion and folding of transmembrane helices in an integral membrane protein Co-translational insertion and folding of transmembrane helices in an integral membrane protein
Regulation of membrane phospholipid composition in bacteria Regulation of membrane phospholipid composition in bacteria
Video: A timeline of the teeth (Explained - No Audio)

For a complete list of videos, visit our video library