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Cells
Cells Vocabulary Peter
21
Science
6th Grade
01/23/2011

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Term
Cells
Definition

Smallest unit or building block of a living thing

Ex: Red blood cell

Term
Tissue
Definition

A group of similar cells working together

Ex: Heart tissue

Term
Organ
Definition

A group of tissues working together to do a special job

Ex: Heart and lungs

Term
Ribosome
Definition
make protein for the cell
Term
Endoplasmic reticulum
Definition
moves material around the cell
Term
Organelle
Definition
The parts of a cell located in the cytoplasm
Term
Smooth ER
Definition
not attached
Term
Rough ER
Definition
Attached
Term
Lysosome
Definition
Digest protein and food molecules and breaks down other substances
Term
Mitochondria
Definition
Provides energy for the cell
Term
Golgi Body Complex
Definition
The package system that sorts, stores, and rearranges substances in a cell
Term
Cell Membrane
Definition
Controls what enters and leaves the cell
Term
Cytoplasm
Definition
Jelly-like material in an animal or a plant cell
Term
Cytoskeleton
Definition
Suports the cell (animals only)
Term
Cell wall
Definition
Supports plant cells and helps the grow tall
Term
Cloroplast
Definition
Changes carbon dioxide and water into sugar (Found only in plant cells)
Term
Nuclear Membrane
Definition
Separates the nucleus from the cytoplasm
Term
Nucleus
Definition
Control center of the cell
Term

Deoxyribose Nucleic Acid

(D.N.A)

Definition
Genetic material that is fround within the nucleus
Term
Centriole
Definition
Helps cells divide and split
Term
Vacuole
Definition
Stores water and food
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