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27 Nov 2019
A cell expresses a transmembrane protein that is cleaved at theplasma membrane to release an extracellular fragment. The fragmentbinds to receptor proteins on nearby cells and activates signalingpathways resulting in altered gene expression patterns in thecells. What form of intercellular signaling does thisrepresent?
(A) Contact-dependent signaling
(B) Paracrine signaling
(C) Endocrine signaling
(D) Autocrine signaling
A cell expresses a transmembrane protein that is cleaved at theplasma membrane to release an extracellular fragment. The fragmentbinds to receptor proteins on nearby cells and activates signalingpathways resulting in altered gene expression patterns in thecells. What form of intercellular signaling does thisrepresent?
(A) | Contact-dependent signaling |
(B) | Paracrine signaling |
(C) | Endocrine signaling |
(D) | Autocrine signaling |
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