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A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
A cell structure that contains nucleic acids, the chemical instructions that direct all the cell's activities.
The region between the cell membrane and the nucleus; in organisms without a nucleus, the region located inside the cell membrane.
Rod-shaped cell structures that produce most of the energy needed to carry out the cell's functions.
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.
A small grain like structure in the cytoplasm of a cell where proteins are made an organelle in the cytoplasm of a living cell.
A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell.
A structure in cells of plants and some other organisms that captures energy from sunlight and uses it produce food.
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