Digestion of food

The digestive system plays a critical role in ...

Denatured enzyme

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

Resolving power of microscopes

Different types of microscope have different ...

Villi in the small intestine

Millions of tiny finger-like structures ...

Action of sucrase on sucrose

Sucrose binds to the active site on sucrase ...

Mitochondria under the microscope

Microscopes have been crucial for our ...

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 ...

Stomach smooth muscle

Smooth muscle is found within the walls of ...

Mechanical advantage

Levers can be used so that a small force can ...

Masseter and temporalis muscles

The masseter lifts the lower jaw to close the ...

Types of muscle tissue

Muscle tissues differ in structure. Skeletal ...

Virus replication

Different viruses infect cells in different ...

Breakdown of glucose

In the cell cytoplasm, glucose is broken down ...

Gut bacteria and health

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

Researching the link between ...

Associate Professor Peter Dearden, from the ...

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 ...

Cell, chromosomes and DNA

Human cells have 23 pairs of chromosomes ...

Nanoparticle size comparison

It is hard to grasp just how small a ...

Chromosomes crossing over

During meiosis, homologous chromosomes (1 ...

Phases of meiosis

During meiosis, 1 diploid cell undergoes 2 ...

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