CPX079: 0.1 inch (2.54 mm) pitch polarizing key. Insert used to block hole of header connector, for correct connection / orientation to motherboard pin-outs.
The function of DNA in a cell is to code the way proteins turn genes on or off. the function of DNA is to make the proteins. DNA is the foundation of life. It's a complex molecule made up of four types of bases, cross connected like a staircase, and twisted into a spiral.
The function of DNA in a cell is to code the way proteins turn genes on or off. 1  Deoxyribonucleic acid (DNA) is the genetic code which ensures that daughter cells inherit the same characteristics as the parent cells.2  DNA is the code from which all protein is synthesised.NA cells uses this information to make  the proteins or RNA the cell needs. It also provides the  information needed to make a new living cell. The DNA is the most  important thing in the cell, all the living organisms use DNA to  keep the information; its like a computer.