Which of the following is NOT true about DNA replication? a. It must occur before a cell can divide b. Two complementary strands are duplicated c. The double strand unwinds and unzips while it is being duplicated d. The new DNA molecule has two newly-made strands

Dr. arenas is a scientist who has been trying to determine if increasing pressure will increase the sound that occurs when two chemicals explode. it measures the volume of the sound that occurs at the minimum pressure at which the explosion will occur. it then increases the pressure and measures the volume of the explosions that occur. what kind of investigation is the scientist conducting?