The answer is actually A. In the zone of saturation
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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A prokaryote is an organism made from a single prokaryotic cell. The prokaryotes had arisen more than 2.5 billion years ago.Every eukaryotes has a cell membrane, ribosomes, and DNA
The correct answer choice is answer B.) The fossil record provides evidence of a common ancestor to many species. Hope this helped!
