Αναζήτηση
Ανακάλυψε νέους ανθρώπους, δημιούργησε νέες συνδέσεις και κάνε καινούργιους φίλους
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