Answer:
The first line of defense involves skin.
Acetylcholine (ACh)
Acetylcholine is an organic chemical that functions in the brain and body of many types of animals as a neurotransmitter.
By it alleles, and there genes what one plant have the other may not have see it all depends on the out come of the alleles-genes that they come up with .
This shouldd helpp broo .
Objects with like charges repel/repulse each other while opposite charges attract each other
The direction of an electric fields is alway the direction electrons would naturally move.
Not sure about the last one, my gut instinct is opposite.
Answer:
Pinocytosis is one type of endocytosis, the general process by which cells engulf external substances, gathering them into special membrane-bound vesicles.
Explanation:
Hope that helped!