transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy
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- transport of a substance (as a protein or drug) across a cell membrane against the concentration gradient; requires an expenditure of energy0 التعليقات 0 المشاركات 9225 مشاهدة
- a creek emptying into the Hellespont in present-day Turkey; at its mouth in 405 BC the Spartan fleet under Lysander defeated the Athenians and ended the Peloponnesian War0 التعليقات 0 المشاركات 2664 مشاهدة
- a creek emptying into the Hellespont in present-day Turkey; at its mouth in 405 BC the Spartan fleet under Lysander defeated the Athenians and ended the Peloponnesian War0 التعليقات 0 المشاركات 8736 مشاهدة
- a creek emptying into the Hellespont in present-day Turkey; at its mouth in 405 BC the Spartan fleet under Lysander defeated the Athenians and ended the Peloponnesian War0 التعليقات 0 المشاركات 8672 مشاهدة
- a creek emptying into the Hellespont in present-day Turkey; at its mouth in 405 BC the Spartan fleet under Lysander defeated the Athenians and ended the Peloponnesian War0 التعليقات 0 المشاركات 10465 مشاهدة
- a creek emptying into the Hellespont in present-day Turkey; at its mouth in 405 BC the Spartan fleet under Lysander defeated the Athenians and ended the Peloponnesian War0 التعليقات 0 المشاركات 10510 مشاهدة
- a creek emptying into the Hellespont in present-day Turkey; at its mouth in 405 BC the Spartan fleet under Lysander defeated the Athenians and ended the Peloponnesian War0 التعليقات 0 المشاركات 11552 مشاهدة
- decorative cover for a bed0 التعليقات 0 المشاركات 6658 مشاهدة
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