DNA replicates by the semiconservative model of replication. This model states that during replication of double stranded DNA, the two strands separate and each separate strand is then used as a template to make a new strand.
Randolph AFB (Joint Base San Antonio) Official Website. Randolph AFB, part of Joint Base San Antonio (JBSA), is located in Schertz, Texas. The base sits approximately 14 miles northeast of Downtown San Antonio. The US Air Force and the US Army both conduct operations from Randolph.
Randolph AFB-area historical tornado activity is slightly below Texas state average. It is 2% greater than the overall U.S. average. On 4/28/1953, a category F4 (max. wind speeds 207-260 mph) tornado 25.5 miles away from the Randolph AFB place center killed 2 people and injured 15 people.