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Branch of biology dealing with the relationships of organisms with each other and with their environments.
A female reproductive cell. Also called an ovum. Combines with male reproductive cell (sperm) during fertilisation.
A conductor through which an electric current enters or leaves an object.
Process by which fragments of DNA are separated according to size under the influence of an electric field applied to a gel or fluid.
An unborn or unhatched offspring in the process of development.
Branch of biology focusing on the study of embryos and their development.
Stem cells derived from an early embryo. They have the ability to become any cell type in the body.
A disease or condition that is common in a particular group of people or location.
A type of heart infection where the inner lining of the heart, called the endocardium, becomes swollen. It usually occurs when bacteria attach to damaged areas of the heart.
A medical instrument with a light attached that is used to look inside the body.
A test used to examine the upper part of the gut. A thin, flexible telescope is passed through the mouth, into the oesophagus and down towards the stomach and small intestine.
Biological molecules, usually proteins that are responsible for thousands of metabolic processes essential to life.
The rapid spread of an infectious disease in a community at a particular time.
A rod-shaped bacterium that is commonly found in the lower intestine of warm-blooded organisms. Most strains of E. coli are harmless but some can cause food poisoning.
The belief and practice of improving the genetic quality of the human population.
A single or multi-celled organism whose cells contain a nucleus and other membrane-bound organelles. Animals, plants, fungi and insects are eukaryotes.
Adaptation based on the process of natural selection. Successful organisms survive and reproduce while unsuccessful ones die off.
All of the exons in a genome, which consist of the DNA that contains the instructions to make proteins.
The part of a gene that has the instructions to make a protein.
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