Digestion of food

The digestive system plays a critical role in ...

Denatured enzyme

The enzyme is a protein, and at high ...

Villi in the small intestine

Millions of tiny finger-like structures ...

Action of sucrase on sucrose

Sucrose binds to the active site on sucrase ...

How humans use bacteria

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

Function of the large intestine

Dr Juliet Ansell is a Science Group Leader at ...

Hookworm

Professor Graham Le Gros from the Malaghan ...

Virus replication

Different viruses infect cells in different ...

Gut bacteria and health

Dr Juliet Ansell is a Science Group Leader at ...

Bacterial DNA

Bacteria have a single circular chromosome ...

Total daily energy expenditure

Percentage breakdown of total daily energy ...

Boy with grazed elbow

Microorganisms that live all over your skin ...

Lactose is broken down by lactase

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

T helper cell response to virus ...

Immune response is extremely complex. This ...

The large intestine

The large intestine consists of the caecum ...

Campylobacter bacteria

Campylobacter bacteria have a distinct spiral ...

Human digestive system

The main organs of the human digestive system ...

Creativity and imagination in ...

Associate Professor Rod Dunbar (University of ...

The body’s defence

Professor Graham Le Gros from the Malaghan ...

What is snot?

Dr Joanna Kirman talks about snot. Although ...

Cloning DNA

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

What are viruses?

Dr Wendy Williamson of ESR’s water management ...

Plasmid vector

Key features of a typical plasmid vector are ...

Pig cell transplants and PERV

Pig to human transplants, or xenotransplants ...

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