In the eukaryotic cell, the DNA is surrounded by a membrane constituting the nucleus. The cytoplasm is highly varied and rich in different cellular organelles. ... It is a layer composed of proteins and phospholipids whose function is to separate the interior from the exterior of the cell and exchange substances.
En la célula eucariota el ADN está rodeado por una membrana constituyendo el núcleo. El citoplasma es muy variado y rico en orgánulos celulares diferentes. ... Es una capa compuesta por proteínas y fosfolípidos cuya función es separar el interior del exterior celular e intercambiar sustancias.
A solution is isotonic to a cell if it has the same Concentration of dissolved particles as the cell. Water molecules move in and out of the cell at equal rate, so the cell size remains the same.
