The MAPK/ERK pathway is a chain of proteins in the cell that communicates a signal from a receptor on the surface of the cell to the DNA in the nucleus of the cell. The signal starts when a signaling molecule binds to the receptor on the cell surface and ends when the DNA in the nucleus expresses a protein and produces some change in the cell, such as cell division. The pathway includes many proteins, including MAPK, which communicate by adding phosphate groups to a neighboring protein, which ac
accessory noun (EXTRA) C1 [ C usually plural ] something added to a machine or to clothing that has a useful or decorative purpose: She wore a green wool suit with matching accessories (= shoes, hat, bag, etc.). Sunglasses are much more than a fashion accessory.
Outfit \Outfit\, n. 1  A fitting out, or equipment, as of a ship for a voyage, or of a person for an expedition in an unoccupied region or residence in a foreign land; the expense of, or allowance made for, equipment, as by the government of the United States to a diplomatic agent going abroad.