Cell Structure - Unit 3 Vocabulary 1

Front 1

Prokaryotic cell

Back 1

Small cells without a nucleus, no membrane-bound organelles and are unicellular

Front 2

Eukaryotic cell

Back 2

A cell that has a “true nucleus” and contains membrane-bound organelles and can be part of a multi-cellular organism

Front 3

Uni-cellular

Back 3

A term that describes organisms like bacteria and some protists that are made of a single cell

Front 4

Multi-cellular

Back 4

A term that describes organisms made of many cells

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Nucleus

Back 5

A large structure in the cell that contains the genetic material and controls the cell’s activities

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Chromatin

Back 6

Granular material spread throughout the nucleus and made of RNA

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Chloroplast

Back 7

An organelle that can take energy from the sun to make energy rich food molecules

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Flagella/cilia

Back 8

Whip-like and hair-like structures that aid in movement of some cells

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Chromosome

Back 9

Thread-like structures of condensed chromatin that form when a cell is ready to divide. They contain DNA

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Nuclear membrane

Back 10

An organelle dotted with tiny pores that regulates materials that can enter and leave the nucleus

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Cell membrane

Back 11

A thin flexible barrier that surrounds the cell’s contents and regulates what goes in and out of a cell so that it maintains homeostasis

Front 12

Cell wall

Back 12

A rigid structure on the outside of the membrane that protects and supports a cell

Front 13

Cytoplasm

Back 13

The liquid part of a cell that bathes them in nutrients and provides a medium to support them

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Organelle

Back 14

Little compartmental organ in the cell with a specific duty

Front 15

Vacuole

Back 15

An organelle that temporarily stores needed materials like food and water. They also give support to plants

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Ribosome

Back 16

Small structures made up of RNA and proteins that are responsible for making proteins

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Nucleolus

Back 17

A dense location in the nucleus where ribosomes are assembled

Front 18

Endoplasmic reticulum (ER)

Back 18

An organelle where parts of the cell membrane (lipids) are made and where some proteins are chemically modified

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Golgi apparatus

Back 19

An organelle that packages and stores proteins for transport out of the cell

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Lysosome

Back 20

A small organelle containing digestive enzymes that break down food particles and recycle cell parts that are no longer needed

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Vesicle

Back 21

An organelle that isolates specific molecules and transports them from the Golgi to the cell membrane

Front 22

Mitochondria

Back 22

An organelle responsible for releasing energy from stored food molecules to power all cell functions