This topic contains a solution. Click here to go to the answer

Author Question: What mechanism prevents or slows some chemicals from entering the brain, while allowing others to ... (Read 137 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
What mechanism prevents or slows some chemicals from entering the brain, while allowing others to enter?
 
  a. a threshold
 b. a blood-brain barrier
 c. an endoplasmic wall
 d. a differential-drug inhibitor

Question 2

Radial glia ____.
 
  a. guide the migration of neurons during embryonic development
  b. synchronize the activity of axons
 c. wrap around the presynaptic terminals of several axons
 d. build the myelin sheaths that surround and insulate certain axons



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bimper21

  • Sr. Member
  • ****
  • Posts: 309
Answer to Question 1

b

Answer to Question 2

a




iveyjurea

  • Member
  • Posts: 555
Reply 2 on: Jun 22, 2018
Excellent


Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

For a complete list of videos, visit our video library