English literature - Student Encyclopedia (Ages 11 and up) The writers of the British Isles, including England, Scotland, and Wales, have produced a great wealth of literature. The language in which English literature is written has evolved over hundreds of years and is still changing.
The indole test is a biochemical test performed on bacterial species to determine the ability of the organism to split indole from the amino acid tryptophan.
An antinuclear antibody test looks for autoimmune diseases such as lupus or rheumatoid arthritis. The ANA blood test is just one part of a doctorâs autoimmune disease diagnosis, along with a listing of your symptoms, a physical exam, and other tests.