The following questions refer to this phylogenetic tree, depicting the origins of life and of the three domains. Horizontal lines indicate instances of gene or genome transfer.
-Which process is observed in prokaryotes and is responsible for the vertical components of the various bacterial and archaean lineages?
Definitions:
Cerebrospinal Fluid
A clear, colorless body fluid found in the brain and spinal cord, acting as a cushion for the brain's cortex, providing basic mechanical and immunological protection to the brain inside the skull.
Saltatory Transmission
The rapid propagation of nerve impulses along myelinated axons from one Node of Ranvier to the next, increasing the speed of electrical signal transmission.
Central Nervous System
The part of the nervous system comprising the brain and spinal cord, responsible for processing and sending out information to the rest of the body.
Limbic System
A complex system of nerves and networks in the brain, involved in various emotional states and biological drives.
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