👉 In biology, "cytoplasmic" refers to the outermost layer of a cell, which is composed mainly of cellular organelles. These are structures that contain various molecules and proteins involved in the functioning of cells. The cytoplasmic membrane is the innermost part of the cell membrane and contains the plasma membrane, a lipid bilayer structure that surrounds the nucleus and other organelles.
The cytoplasmic membrane consists of two layers: the outer membrane, which forms the
cytoplasmic