Examlex
Block size is normally stated in bytes and is generally the same between storage devices, especially in a single storage device.
Selectively Permeable
Describes membranes that allow certain substances to pass through while blocking others, crucial for cell function and homeostasis.
Plasma Membrane
The plasma membrane is a biological membrane that separates the interior of all cells from the outside environment, controlling the passage of substances.
Symport
A type of transporter protein that moves two or more substances in the same direction across a cell membrane.
Antiport
A mechanism of membrane transport where two substances are moved in opposite directions across a cell membrane, usually by a protein transporter.
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