List of cell organelles & their functions

Written by matthew williams
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List of cell organelles & their functions
The nucleus of a cell stores DNA. (DNA image by Allyson Ricketts from

Most people probably have a general idea of what a cell is, but they might not realise all of the functions that go on inside of these microscopic spaces. Every cell has small organelles within it that perform different tasks.

The Nucleus

The nucleus is the control centre of the cell and dictates what all of the other organelles do. The nucleus also stores the DNA.

Endoplasmic Reticulum

The endoplasmic reticulum is where most chemical reactions take place. The cell makes lipids and other chemicals, and it sometimes has ribosomes attached.


Ribosomes are the only organelle that every cell has, including bacteria. Ribosomes take information from the DNA and use it to make proteins.

Golgi Apparatus

The golgi apparatus is essential in packaging different products from the endoplasmic reticulum and the ribosomes into their final form. If a product needs to be sent to other cells, the golgi apparatus packs it and sends it out.


Mitochondria are often referred to as the powerhouses of the cell. Mitochondria take in sugar and create ATP, the type of energy your cells need to function.

Plasma Membrane

The plasma membrane, or cell membrane, is not just the covering of the cell. It also plays a vital role in getting nutrients into the cell and sending waste products out.

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