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.
DNA is the instruction program for all cells, the basic component of an organism. Proteins make up the overall structure of DNA. For DNA to function, it must self-replicate by forming RNA. RNA helps synthesize proteins to create replicate copies of DNA. The Universal Ancestor utilized this function.efore the Universal Ancestor, cells might have different overall structures and replicated in different ways. However, for the Universal Ancestor to be correct, the cellular structure of the Ancestor had to include several universal qualities.