In such cells, the plasma membrane is part of an extensive endomembrane system that includes the endoplasmic reticulum (ER), the nuclear membrane, the Golgi apparatus, and lysosomes.

They argued that since no primitive cells today have any internal membrane structures, it seems very unlikely that a cell would have had these over 1.5 billion years ago.

Membrane proteins are proteins that are part of or interact with cell membranes, and they are responsible for carrying out the majority of the functions of these membranes. Membrane proteins ...

Nanoscale ruler reveals organization of cell membrane. ScienceDaily . Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2014 / 06 / 140625101501.htm ...

And then you'll have a model plant cell with all of its parts. A cell wall, which keeps everything together, cell membrane, which surrounds the cytoplasm, vacuole, the space within the cytoplasm ...

How do mitochondrial organelles remove damaged parts of inner membrane for recycling in the cytoplasm? The discovery of an exit route that flips inner membrane outside the organelle provides some ...