Cell Communication

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Last updated 9:44 PM on 10/11/26
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9 Terms

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Autocrine

Cell signals its own receptors

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Juxtacrine

Signaling between connected/touching cells

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Paracrine

Signaling between adjacent/nearby cells

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Endocrine

Signaling between distant cells; travels through the bloodstream

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Reception

Signal molecule binds to a receptor (puzzle pieces) → receptor may change shape

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Transduction

Receptor is activated → signal transduction pathway amplifies the original signal

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Response

Signal triggers a cellular action (ex: gene expression, activating enzymes, cell division)

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Ligand

Signal molecule that binds to a receptor; smaller

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Receptor

Allows signal molecules to bind; located within the cell & cell membrane; often changes shape for better fit