Answer:
there are 4: paracrine signaling, autocrine signaling, endocrine signaling, and synaptic signaling
Explanation:
paracrine:cells that are near one another communicate through the release of chemical messengers
autocrine: a cell signals to itself, releasing a ligand that binds to receptors on its own surface
endocrine:When cells need to transmit signals over long distances, they often use the circulatory system as a distribution network for the messages they send.
synaptic: nerve cells transmit signals. The junction between two nerve cells where signal transmission occurs.
A and B is correct
Thanks! If helped give BRAINLIEST ;)
Answer:
Independent variable: The amount of fertilizer.
Dependent Variable : The amount of water, the amount of soil. amount of sun light.
Explanation:
I can't really explain it but I am pretty sure that is the right answer. Hope it helps :)
The mitochondrion!!! Of course!!
Answer:
I believe the answer is China.
