Skip to content

OU on the BBC: Cell City

Updated Friday 17th May 2002

From the huge to the microscopic - exploring cells from a city perspective.

All living beings are made up of tiny microscopic units called cells. While towns and cities vary greatly in size, no matter where they are in the world, they share many similar features. Likewise, despite the vast variety of life forms and cell types, different shapes and sizes, all cells have many features in common.

Travel from outer space on a journey of discovery, into the depths of a single cell.

 

For further information, take a look at our frequently asked questions which may give you the support you need.

Have a question?

Other content you may like

Science, Maths & Technology 

A tour of the cell

This free course, A tour of the cell, contains a blend of text and a multimedia interactive component to look at the uniformity and diversity within cells. Fundamental to understanding how cells 'work' is a knowledge of the subcellular components and how they are arranged. This is introduced through a series of in-text and self-assessment questions.

Free course
12 hrs
Researching rare disorders: NGLY-1, the first disorder of deglycosylation Copyright free image Icon Copyright free: By The original uploader was TimVickers at English Wikipedia [Public domain], via Wikimedia Commons article icon

Science, Maths & Technology 

Researching rare disorders: NGLY-1, the first disorder of deglycosylation

What happens when our cells can’t get rid of the waste products they produce?  Working on a project inspired by the passion of the rare disease community, Open University PhD student Sarah Needs explains:

Article
Dolly The Sheep: What happened next? Creative commons image Icon Brian O'Donovan under Creative Commons BY-SA 4.0 license article icon

Science, Maths & Technology 

Dolly The Sheep: What happened next?

Back at the start of the century, OpenLearn - or Open2.net as we were then known - investigated Dolly The Sheep and the implications of cloning animals. A lot has happened in the years since then. Time to catch up.

Article
Explainer: What is autophagy? Copyrighted image Icon Copyright: Sarah Needs article icon

Science, Maths & Technology 

Explainer: What is autophagy?

The discovery of the mechanism for autophagy by Professor Yoshinori Ohsumi won the 2016 Nobel Prize in Physiology or Medicine - get the lowdown on what autophagy is in this guide. 

Article
An introduction to cells and cellular diversity Copyrighted image Icon Copyright: Image courtesy of sscreations at FreeDigitalPhotos.net article icon

Science, Maths & Technology 

An introduction to cells and cellular diversity

What are cells and what do they consist of?

Article
The Parkinson's problem Copyrighted image Icon Copyright: OU article icon

Health, Sports & Psychology 

The Parkinson's problem

Biochemist Birgit Liss is investigating the causes of Parkinson's Disease in the hope of finding a cure.

Article
What does HIV do? Copyrighted image Icon Copyright: Production team article icon

Health, Sports & Psychology 

What does HIV do?

The effects of the HIV virus on the immune system can lead to the diseases that we call AIDS

Article
The biology of cloning Creative commons image Icon Dancinggecko under CC-BY-NC-ND licence under Creative-Commons license article icon

Nature & Environment 

The biology of cloning

What happens during cloning? Mark Hirst explains.

Article
Stem cell therapy Copyrighted image Icon Copyright: BBC article icon

Nature & Environment 

Stem cell therapy

Learn more about stem cell therapy

Article