How humans use bacteria

We use bacteria to improve our lives in many ...

Gel electrophoresis: Visualising and ...

A chemical called ethidium bromide had been ...

Bacterial DNA

Bacteria have a single circular chromosome ...

Researching the link between ...

Associate Professor Peter Dearden, from the ...

Selective breeding, cloning and GM

Easy care sheep have been developed using ...

Cell, chromosomes and DNA

Human cells have 23 pairs of chromosomes ...

Chromosomes crossing over

During meiosis, homologous chromosomes (1 ...

Phases of meiosis

During meiosis, 1 diploid cell undergoes 2 ...

Lactose is broken down by lactase

Lactose (the sugar in milk) is broken down by ...

Diagram of a mitochondrion

Diagram of a mitochondrion showing the inner ...

Composition of cow’s milk

A table showing the components in cow’s milk ...

Gene construct

A gene construct contains all the information ...

Transgenic cows

Close up of cow hide.

Possible risks of easy care sheep

Possible risks associated with breeding easy ...

Advantages of transgenic technology

Transgenic technology offers advantages over ...

Genetics or environment

Dr Christine Jasoni, from the University of ...

What is a protein?

Proteins are the building blocks of life and ...

PCR – the polymerase chain reaction ...

This animation explains the three key steps ...

DNA precipitate

When an ice-cold alcohol is added to a ...

Campylobacter bacteria

Campylobacter bacteria have a distinct spiral ...

Restriction enzyme

A restriction enzyme breaking both strands of ...

Transgenic cows with modified milk

Transgenic cows that over-express one form of ...

Cloning DNA

To clone a stretch of DNA (such as a gene) ...

Bacterial transformation

Bacteria containing plasmids are selected for ...

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