Best Answer: right click on the screen, if xp press properties, if vista, press customize, and go to display properties and fool around, and it will show all the available refresh rates. Right click on your desk top. Then click on advanced settings. eg.
DNA replication is semiconservative because each new double helix contains (1) old and (1) new strand. each mother strand serves as a template for a new strand.The two strands â¦ are complementary, but not identical.
Semiconservative replication describes the mechanism by which DNA is replicated in all known cells. This mechanism of replication was one of three models originally proposed for DNA replication 1  : Semiconservative replication would produce two copies that each contained one of the original strands and one new strand.