Which of the following does not describe the signal molecule in this model? Once the signal is released, the gate is permanently closed.
It has specific receptors that match the ion surface.
O It only allows passage of specific ions.
Responsibilities include initiating the cellular response.

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the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.