In most multicellular organisms, every cell carries the same DNA, but this genetic information is used in varying ways by different types of cells. In other words, what a cell does within an organism dictates which of its genes are expressed.
Most enlisted positions require four years of active duty. If you join the Navy through an officer program, you must serve at least four of your eight years on active duty. However, pilots and flight officers must serve a minimum of eight to 10 years of active duty. Dentists, Medical Service Corps officers and nurses must serve a minimum of three years of active duty.
How long a term does a US president serve? Under the 22nd Amendment: The US President can serve only two elected terms of 4 years each, as well as up to 2 years as successor to a President who dies or otherwise leave â¦ s office. This creates a practical maximum of 8 years and a potential maximum of 10 years.+ 4 others found this useful.Richard Schmidt.nder the 22nd Amendment: The US President can serve only two elected terms of 4 years each, as well as up to 2 years as successor to a President who dies or otherwise leave â¦ s office. This creates a practical maximum of 8 years and a potential maximum of 10 years. + 4 others found this useful. Richard Schmidt.