Supporting network of protein fibers that provide a framework for the cell within the cytoplasm.

Organelle that plays a role in cell division and is made of microtubules.

Short, hairlike projection that functions in cell movement.

Long, tail-like projection with whiplike or propellar motion that helps a cell move.

In plants, the rigid barrier that surrounds the outside of the plasma membrane, is made of cellulose, and provides support and protection to the cell.

The site of ribosome production within the nucleus of eukaryotic cells.

Membrane-bound organelle that converts fuel into energy that is available to the rest of the cell.

Double-membrane organelle that captures light energy and converts it to chemical energy through photosynthesis.

Simple cell organelle that helps manufacture proteins.

Highly folded membrane system in eukaryotic cells that is the site for protein and lipid synthesis.

Flattened stack of tubular membranes that modifies, sorts, and packages proteins into vesicles and transports them to other organelles or out of the cell.

Membrane-bound vesicle for temporary storage of materials such as food, enzymes, and wastes.

vesicle that uses enzymes to digest excess or worn-out cellular substances.