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

Author Question: What mechanism prevents or slows some chemicals from entering the brain, while allowing others to ... (Read 96 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

b

Answer to Question 2

a


iveyjurea

  • Member
  • Posts: 555
Reply 2 on: Jun 22, 2018
Thanks for the timely response, appreciate it

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Brain Brain
The Cerebellum and the Brain Stem The Cerebellum and the Brain Stem
Deep Brain Stimulation Deep Brain Stimulation
Measuring Personality and Brain Anatomy Measuring Personality and Brain Anatomy
Mechanism of Breathing Mechanism of Breathing
A riboswitch mechanism regulating translation of mRNA A riboswitch mechanism regulating translation of mRNA
Video: Major Elements in Biological Molecules: Lipids

For a complete list of videos, visit our video library