Answer:
The form of cell to cell signalling that is been used is ENDOCRINE.
Explanation:
There are four ways by which cell signalling occur in the body, these are: endocrine, paracrine, autocrine and direct signalling.
Endocrine signalling is the biochemical process by which hormone secreting glands release hormones into the blood streams and that hormone has effects on target organs that are located far away from it. Endocrine hormones are usually stable and their effects usually last for long time.
I think it would be C. observe the cell with an electron microscope. but im am not a 100% sure.
If your cell did not produce proteins enzymes would not be available to speed up reactions throughout your body, and they would also not be available to make the many organelles made with proteins such as microtubules which would cause many other problems within the cell.
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The answer is Enzymes! This is because the enzymes help recover from the reaction and were made to do just that!
Hope this helps!
Homeostasis. If you mean the region of the brain that controls this process then it’s the hypothalamus