Search
Entdecken Sie neue Leute, neue Verbindungen zu schaffen und neue Freundschaften
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy
transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy