Answer:
Tyrosine derived neurotransmitters
Explanation:
These neurotransmitters are produced as a result of the conversion of tyrosine when not incorporated into proteins or energy production is converted to catecholamines.
These catecholamines includes dopamine, norepinephrine, and epinephrine.
All these three catecholamines produce various effects in numerous locations in the body acting either as a neurotransmitter or as a hormone
Although they are radically symmetrical,echinoderms are more closely related to human than to a jellyfish because they are biltarian.
Answer:
receptor mediated endocytosis will be the answer..
Explanation:
