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Cell (Noun) The smallest unit of a living organism (PLANT OR ANIMAL). “I am made up of cells !”

Cellular Structures Vocabulary Cards

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Science Vocabulary Cards - Cellular Structures

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Page 1: Cellular Structures Vocabulary Cards

Cell (Noun)

The smallest unit of a living organism (PLANT OR ANIMAL).

“I am made up of cells!”

Page 2: Cellular Structures Vocabulary Cards

Tissue (Noun)

A group of cells that perform one function.

“My cells form many tissuesin my body!”

Page 3: Cellular Structures Vocabulary Cards

Prokaryotic CellSingle-celled organisms with no nucleus. They were the first life forms on Earth.

“The bacteria in my body are

prokaryotic cells!”

Page 4: Cellular Structures Vocabulary Cards

Eukaryotic CellPlant and animal cells that have a nucleus,

membrane, and organelles.

“A tree and I are made of eukaryotic cells!”

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Organelle (Noun)

A structure inside a cell that performs one function.

“A cell has many organellesworking inside it.”

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Nucleus (Noun)

An organelle that controls cell’s activities. The “boss”…

“The nucleus of a cell is like the

brain in my body!”

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Nucleolus (Noun)

Produces and stores RNA of the cell inside the nucleus.

“The nucleus has a nucleolus inside!”

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Chromosome (Noun)

Chromosomes are rod-shaped structures found in the nucleus and made up of DNA molecules.

“Chromosomes can be found in the nucleus of a

cell.”

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DNA MoleculesGenetic material that contain and store instructions for the cell’s activities.

“DNA molecules are found in the cell’s

chromosomes.”

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RNA MoleculesGenetic material that processes instructions of DNA molecules in the ribosomes.

“RNA molecules make proteins in ribosomes using

DNA molecules.”

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Ribosome (Noun)

Ribosomes are organelles that make proteins using RNA molecules inside chromosomes.

“Ribosomes make the cell’s proteins.”

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Endoplasmic ReticulumAn organelle that transports proteins inside the cell.

“The endoplasmic

reticulummoves proteins inside a cell.”

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Golgi BodyAn organelle that creates a layer around proteinsbefore they leave the cell.

“Proteins are protected by the

golgi bodybefore they exit a

cell.”

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Lysosome (Noun)

Lysosomes are organelles that use enzymes to break down proteins.

“Proteins inside a cell are broken down by

lysosomes .”

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Vacuole (Noun)

Vacuaoles are organelles where proteins are storedbefore they are broken down by lysosomes.

“Proteins are kept in vacuoles before they are used by

lysosomes .”

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Mitochondrion (Noun)

Mitochondria are organelles that make energy for the cell from food.

“The mitochondriaare like a cell’s

factories.”

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Cytoplasm (Noun)

A jelly-like fluid that surrounds the nucleus where all the cell’s activities take place.

“Organelles are found in the cell’s

cytoplasm .”

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Cell MembraneThe outer covering of a cell that decides what goes in and out.

“Proteins enter and leave a cell through the cell

membrane .”

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Cell WallA hard structure found only in plant cells that give them their shape.

“Plants are hard because their cells have cell walls .”

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Chloroplast (Noun)

Chloroplasts are organelles found only in plantsthat contain chlorophyll.

“Plants are green because their cells

have chloroplasts .”