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.
The two sides of the double helix structure of DNA are held together with. hydrogen bonds. DNA replication is called semiconservative because. half of each of the two new strands of DNA is old DNA from the original DNA molecule and half is new DNA. Advertisement. The Hershey-Chase experiment showed that the ________ is responsible for directing the production of new viruses.