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单词 active transport
释义

active transport

noun [mass noun] Biology
The movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.Complex processes regulate both passive and active transport across the nuclear membrane....
  • The electrocytes establish a charge difference across the cell membranes, presumably by active transport of ions.
  • The enzyme isoforms seem to have a tissue-specific expression, showing the highest expression levels in cells where intense active transport is expected to occur.
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更新时间:2025/1/11 12:23:58