The cell membrane can be described most accurately as (semipermeable definition) Opermeable to some molecules and impermeable to others. ? impermeable to larger molecules independent of their chemical characteristics. ? permeable to all molecules except water. impermeable to all polar molecules. Opermeable to all small molecules and ions.
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This means that it is permeable to some molecules and impermeable to others. Option 1: "Permeable to some molecules and impermeable to others" - This accurately describes the selective permeability of the cell membrane. Option 2: "Impermeable to larger molecules Show more…
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To say that a cell is "selectively permeable" means only certain molecules can pass through. it has different-sized perforations in the membrane. sometimes water passes through, and sometimes it can't. permeability depends on gradient differences. it is permeable to different substances than other cells.
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