To regulate signal transduction pathways? These molecules can directly convert extracellular signals into intracellular signals. .
Photosynthesis the products of cellular respiration are the reactants for photosynthesis
The correct answer to this is:
“Astrocytes”
Astrocytes also called star cells due to their shape are the
most abundant glial cells in the brain. Extensions from these cells encase
capillaries and offer extra control over which materials enter or leave the
intercellular fluid of the CNS thus acting like a permeability membrane.
Not on the oustide/coast. Inside a country.