1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Dmitry [639]
3 years ago
11

Many medications introduced into the bloodstream cannot directly affect the neurons of the cns because

Biology
1 answer:
ratelena [41]3 years ago
6 0
The answer to the question above is this: <span>the endothelium of CNS capillaries forms a blood-brain barrier. The blood-brain barrier is actually a mechanism that the capillaries that carry blood to the central nervous system can do. What this barrier does is that it filters and only allows certain substances (and not all), that's why this cannot directly affect the neurons in the central nervous system.</span>
You might be interested in
As observed in labrador retriever coat colors in recessive epistasis, b locus regulates pigment production while e locus regulat
Rus_ich [418]
If your choices are the following (see attachment), then the answer is E gene.
It is stated that hypostatic gene<span> is one whose phenotype is altered by the expression of an allele at a separate locus, in an epistasis event. So the allele altering the espistatis event is the E gene.</span>

3 0
3 years ago
Which activity can occur without the use of energy?
GaryK [48]
Energy can power electricity which can power tv's, light, chargers, and everyday electricity
6 0
3 years ago
Read 2 more answers
The sodium potassium pump is an active transport pump that uses energy to pump potassium into cells and sodium out of cells. Why
ss7ja [257]

Answer:

i think it is Na+K-ATPase

6 0
3 years ago
What is the plant that get no nutrients called​
Doss [256]

Answer:

A saprophyte is a plant that does not have chlorophyll and gets its food from dead matter, similar to bacteria and fungi (note that fungi are often called saprophytes, which is incorrect, because fungi are not plants).

Explanation:

BRAINLIEST PLSSS :)

3 0
3 years ago
In a genetics laboratory, two heterozygous tall plants are crossed. If tall is dominant over short, what are the expected phenot
Mashcka [7]
The expected phenotype it 75% tall. Since they are both heterozygous, there is a 25% chance that the phenotype would be short. 
Hope this helps! :3
7 0
4 years ago
Read 2 more answers
Other questions:
  • Janelle made a hypothesis about the uneven temperatures inside her house during winter. She believes that 50% of the heating duc
    6·1 answer
  • What type of organism are frogs in example of?
    12·2 answers
  • What is one way to classify mud found in an ecosystem
    9·2 answers
  • Actual germination of a seed occurs when the moisture content is at least 9%. . . True. false
    11·1 answer
  • Visible quartz and potassium feldspar grains are the main constituents in:
    11·1 answer
  • Hello! What are two similarities of Mitosis and Meiosis? Thanks :)
    14·1 answer
  • Whats does a cell meaning in biology
    9·2 answers
  • How are proteins and nucleic acids related?
    13·1 answer
  • A stimulus motive is learned.<br> True<br> False
    15·1 answer
  • You work in a lab that is studying PIWI proteins. You isolate piRISCs from cells. Based on what you know about how piRISCs silen
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!