本题目来源于试卷: Interaction & Interdependence C.4 Chemical Signaling，类别为 IB生物学
[问答题]
1.Compare and contrast transmembrane r4d;obhe9su/x.pxbx(nt7hc j 8x35mg eceptors a 8*u,un kbze4hnd intracellular receptors.
2.Outline the variety of signalling chemicals in animals.
3.Describe the mechanisms by which both transmembrane and intracellular receptors can bring about a cellular response, using one named hormone for each type of receptor.
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