Polymerase chain reaction (PCR) is a laboratory technique used to amplify DNA sequences. The method involves using short DNA sequences called primers to select the portion of the genome to be amplified.olymerase chain reaction (PCR) is a laboratory technique used to amplify DNA sequences. The method involves using short DNA sequences called primers to select the portion of the genome to be amplified.
The smallest possible size for anything in the universe is the Planck Length, which is 1.6 x10-35 m across.
Problem 3 - The smallest angular size of the sun occurs near the summer solstice at a distance of 152 million. kilometers, when the sun has an angular diameter of 0.525 degrees. How far away, in kilometers, does the moon have.