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Polytopic Definition & Meaning - Merriam-Webster
The meaning of POLYTOPIC is occurring or originating in two or more disjunct areas. How to use polytopic in a sentence.
11.1: Membrane and Membrane Proteins - Biology LibreTexts
2024年10月31日 · For example, G protein-coupled receptors, often called serpentine receptors, cross the membrane seven times. There are three different types based on the number of types the protein crosses the membrane and the type of secondary structure used in crossing: biotopic (single pass), alpha-helical polytopic, and beta-barrel.
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