Term
Cell Wall
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Definition
The cell wall is found in plant cells, but not in animal cells. This is the outermost layer in the plant cell. It is stiff, rigid, nonliving, and made of cellulose. It provides support so that the plant can grow tall and protection. Some materials like water, oxygen, and carbon dioxide can pass through it.
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Term
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Definition
The cell membrane is found in both plant and animal cells. It is the outermost layer in the animal cell and is found just inside the cell wall in the plant cell. It has pores and is selectively permeable allowing the movement of certain substances into and out of the cell. The cell membrane also protects and supports the cell.
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Term
Nucleus
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Definition
The nucleus is a large, oval structure found in both plant and animal cells. It controls and regulates all cell activities. It contains genetic material. 
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Term
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Definition
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The cytoplasm is a thick, jellylike substance found in both plant and animal cells filling the space between the nucleus and the cell membrane. It contains and supports the cell organelles. The cytoplasm is constantly in motion.
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Term
mitochondrion
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Definition
The mitochondrion is a bean-shaped structure found in both plant and animal cells. The mitochondria (plural) break down sugars and release energy for use by the cell. 
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Term
Vacuole
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Definition
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The vacuole is a round, fluid-filled sac. It stores food, water, and other materials for use by the cell.
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Term
chloroplast
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Definition
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A chloroplast is found in plant cells, but not in animal cells. Chloroplasts are oval-shaped, green structures usually containing chlorophyll, a green pigment. They use the sun's energy to make food for the plant through a process called photosynthesis.
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Term
Endoplasmic reticulum (ER)
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Definition
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The endoplasmic reticulum transports materials, such as ribosomes through the cell
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Term
Ribosome
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Definition
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The ribosome produces proteins, and is transported by the ER.
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Definition
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