Cell Biology

Growing bacteria | Bitesize Science

Bacteria reproduce by cloning themselves, and in the right conditions can reproduce very quickly.

Dance of the chromosomes | Bitesize Science

Mitosis is a type of cell replication that is essential to the human body's ability to grow and repair.

The process of meiosis | Short Circuit

The process of meiosis in sperm and egg cells is explained and illustrated.

The process of mitosis | Short Circuit

The process of mitosis, seen through a microscope, and then illustrated and explained with a computer simulation.

Mitosis, meiosis and reproduction | GCSE Bitesize Revision

Spec references J247: B2.1b, B5.1f, B5.1h J250: B2.1b, B5.1f. Different steps of mitosis, asexual reproduction, di...

The Discovery of Cell Division | The Cell

How little-known scientist Robert Remak came to observe and describe the process of cell division for the first time.

Cell Division | GCSE Bitesize Revision

Animated shorts to support students preparing for assessments in GCSE Additional Science.

Cell division | i-Science

What is the role of mitosis and meiosis in the human body?

Clones | i-Science

Daphne and Barbara are so similar because they are clones, two people who have exactly the same genetic makeup. When their mother was pregnant, her fertil...

Collagen | Secrets of Skin

Collagen makes up 90% of the skin dermis. Professor Ben Garrod talks to a scientist studying collagen whose research has some ground-breaking appl...

Elastin | Secrets of Skin

Why do we get wrinkles? Professor Ben Garrod explores the function of elastin in an animal's skin.

Epidermis | Secrets of Skin

Professor Ben Garrod gives a brief introduction to the structure of skin, especially the epidermis.

What makes up a cell? | Short Circuit

A computer simulation of a cell allows us to see the structure of a cell close-up.

Skin cells in research | Science In Action

Spec references J247: . Growing skin for patients, using keratinocyte cells from the patient so that the skin is not rejected.

Electron microscope | Science In Action

Spec references J247: B1.1c. Electron microscope to see the structure of algae and observe cell processes.

Cells under a microscope | Science In Action

Spec references J247: B1.1a. Showing onion cells and cheek cells under a microscope.

The Identification of the Cell Nucleus | The Cell

How Robert Brown used the microscope to notice, identify and describe the nucleus, and discover its ubiquity in cells.

Human defence systems | Secret Universe: The Hidden Life of the Cell

This simulation brings to life the process of a cell's defence against viruses.

Key parts of the cell | Secret Universe: The Hidden Life of the Cell

An amazing visualisation of the cell's structure, and how DNA works within it.

Beneath the surface | Bitesize Science

Microscopes continue to develop over time, giving us access to increasingly incredible magnification.

S2E5: Size Matters | Dara O'Briain's Science Club

Dara and the team reveal why size matters in science and how discoveries large and small are changing the way we view the u...

Off The Scale | Richard Hammond's Invisible Worlds

The human eye can see extraordinary detail, but the eye of a needle held at arm's length is pretty much at the limit of ou...

The Invention of the Microscope | The Cell

Adam Rutherford explains how, in the 1670s, Dutch businessman Anton van Leeuwenhoek revolutionised microscopy by curving a lens mo...

Making A Microscope | Experiment!

In the 14th programme Prof Ian Fells and Carol Vorderman show us how to make our own microscope and how to make a very basic microscope usi...

Death By Design | Horizon

The radical notion that each cell in our body is programmed to die has major implications for research into disease and bodily development. This fi...

Miniature Britain

Biologist George McGavin goes on a journey around the British Isles to show us the extraordinary little things that are vital to our land. With a revolutio...