Samsung Galaxy Ace 4 smartphone with 4.00-inch 480x800 display powered by 1GHz processor alongside 512MB RAM and 5-megapixel rear camera.
1. A cell is the intersection between a row and a column on a spreadsheet that starts with cell A1. Below is an illustrated example of a highlighted cell in Microsoft Excel; the cell address, cell name, or cell pointer D8 (column D, row 8) is the selected cell and the location of what is being modified.
Carcinoembryonic Antigen (CEA) is a protein found in embryonic tissues. After birth, detectable levels in the blood disappear. Consequently, It is normally not possible to detect CEA in the blood of a healthy person. If it appears in the blood it can indicate cancer, but it will not indicate which kind of cancer.