单词	cotransport
释义	cotransport noun co·​trans·​port (ˌ)kō-tran(t)s-ˈpȯrt  -ˈtran(t)s-ˌpȯrt : the coupled transport of chemical substances across a cell membrane in which the energy required to move a substance (such as glucose) against a gradient in concentration or in electrical potential is provided by the movement of another substance (such as a sodium ion) along its gradient in concentration or in electric potential The sodium-linked glucose transporters are largely restricted to the intestine and kidney, where they actively transport glucose against a glucose-concentration gradient by using sodium cotransport as an energy source. Peter R. Shepherd and Barbara B. Kahn see also cotransporter cotransport transitive verb or co-transport cotransported or co-transported; cotransporting or co-transporting glucose cotransported with two Na+ ions Word History First Known Use 1970, in the meaning defined above
随便看	sign of aggregation sign of inequality sign of summation sign of the cross sign off sign off (on) sign off on sign on sign on (for) sign on for sign on the dotted line sign one's own death warrant sign out sign over sign painter sign up sign up (for) sign up for sign up or on sign vehicle sign-off sign-on sign-out sign-up signa

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