Here is a mind map of the major structures found in a typical eukaryotic cell: Cell Membranes - Plasma Membrane - Nuclear Envelope Organelles - Nucleus - Nucleolus - Chromatin - Endoplasmic Reticulum - Rough ER - Smooth ER - Golgi Apparatus - Lysosomes - Mitochondria - Chloroplasts (in plant cells) - Vacuoles (in plant and fungal cells) - Cytoskeleton - Microtubules - Microfilaments - Intermediate Filaments Other Structures - Ribosomes - Centros