Cell structure

Nucleolus

Region within the cell nucleus responsible for producing and assembling ribosomes.

Ribosome

Non-membrane bound organelles where protein synthesis occurs in the cell.

Smooth endoplasmic reticulum

Membrane system involved in protein and lipid synthesis, lacking ribosomes.

Golgi apparatus

Flattened stack of membranes that modifies, sorts, and packages proteins.

Cytoskeleton

Supporting network of protein fibers that forms the cell's framework.

Cell membrane

Semi-permeable bilayer separating the cell's interior from the external environment.

Rough endoplasmic reticulum

Membrane system involved in protein and lipid synthesis, with ribosomes.

Microtubules

Cytoskeletal components involved in cell division.

Nucleus

Contains most of the cell's DNA, determining growth, function, and reproduction.

Cytoplasm

Semifluid material enclosed by the plasma membrane, containing organelles.

Lysosome

Vesicles containing enzymes that digest organelles and food particles.

Mitochondria

Organelles responsible for converting fuel into usable energy.

Vacuoles

Membrane-bound sacs used for temporary storage.

Cell wall

Thick, rigid mesh of fibers surrounding the plasma membrane.

Chloroplasts

Organelles that capture light and convert it into chemical energy through photosynthesis.