Answer:
A. Salivation at the sound of a bell
Explanation:
It is correct on PLATO
DNA <em>contains genetic instructions for living things! </em>
More specifically, there are 3 main functions of DNA
1. to make proteins (also RNA)
2. to assist mutations!
3. To exchange the genetic material of parental chromosomes during meiotic cell division.
Numerous proteins and other substances are injected into the neurons.
- The blood-brain barrier functions effectively to protect the brain from common infections.
- Because of this, brain infections brought on by blood are incredibly rare. When they do occur, brain diseases are frequently severe and challenging to cure. Only a few anti-infection medicines can traverse the blood-brain barrier because antibodies are too large.
Learn more about neurons here brainly.com/question/4921837
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