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Chromosomes in metaphase

An image representing human chromosomes in metaphase. Atomic Force Microscope image of human chromosomes in a metaphase spread.

This resource is part of the Post 16 genetics and ...

Centromeres

A 3-D movie that journeys into the human cell revealing a chromosome’s centromere.

Courtesy: National Human Genome Research Institute

This resource is part of the Post 16 genetics and genomics collection of resources.

Plants

This issue of Big Picture provides lots of interesting information about flowering plants and their uses. 

The plant hormones animation explores the action of indole-3-acetic acid (IAA) and shows how scientists used experimental evidence to explain the role of auxins in a phototrophic response.

The...

Surveying populations

This animation demonstrates the range of methods that can be used to investigate different populations in a woodland ecosystem.

Colour experiments

Demonstation on colour and light, and experiment to make a colour wheel spinner. Suitable for reception children.

Populations

What’s the first thing that pops into your mind when you read the word population? Most likely it’s the ever-increasing human population on earth. The term population isn’t just used to describe humans; it includes other animals, plants and microbes too. These resources will help you learn more about how...

Sliding filament theory

This animation shows muscle contraction and the sliding filament theory

Relative size answer sheet

Answers to our relative size card sorting activity

Relative size activity cards

Space is huge and understanding magnitude of numbers is vital. Print and use these 25 cards to sort in order of size, from the width of DNA to the distance from Earth to the Andromeda galaxy.

The involvement of cells in hearing

This animation shows how cells enable us to hear.

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