a rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
the control center of a eukaryotic cell that directs the cells activities and contains the information that determines the cell's form and function.
rod-shaped cell structures that convert energy in food molecules to energy the cell can use to carry out its functions.
a cell structure that forms passageways in which proteins and other materials are carried through the cell.
a structure in a cell that receives proteins and other newly formed materials from the ER, packages them, and distributes them to other parts of the cell.
a structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food.
a small, round cell structure containing chemicals that break down large food particles into smaller ones.