Cutting out nucleotide sequences that exist between exons and bringing the exons together. Sexually transmitted disease. A subset of T cells which is responsible for turning off the immune response. A set of symptoms which occur together. These are the essential conductors of the immune system, and turn on antibody production.
T cells mediate cellular reactions.
The synthesis of messenger RNA on a DNA template. The production of proteins from messenger RNA amino acid code. Any large group of submicroscopic agents capable of infecting plants, animals and bacteria. They are characterized by a total dependance on living cells for reproduction and by a lack of independent metabolism. A blood test which is used to detect the presence of specific antigens.