Makes proteins

a rigid structure that surrounds the cell membrane of some cells and gives the cell added protection and support

cell organelle filled with enzymes needed to break down certain materials in the cell

A highly-porous membrane that separates the nucleus from the cytoplasm

Powerhouse of the cell, organelle that is the site of ATP (energy) production

a network of protein fibers that support the cell's shape

an enclosed membrane-bound structure within the cytoplasm, usually used for transport

an organism whose cells have a distinct nucleus and membrane-bound organelles

A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

Cell organelle that aids in cell division in animal cells only

a system of membranes that collects and modifies proteins according to where they will be used

the large, central structure of eukaryotic cells that directs and controls most cell activities

a cell organelle that stores water

the thick, semifluid material that surrounds the nucleus and contains the organelles

an organism whose cells lack a nucleus and membrane-bound organelles

a cell structure that is enclosed by a membrane and is specialized for one or more functions