1 Wash off with lukewarm water once it dries down. 2  If this sticks to your skin, take a clean cloth and wet it with warm water. 3  Rub your face gently with this cloth to remove the oats scrub from your face. 4  Repeat 2 times a week to get rid of black spots on your face.
Please help improve the article with a good introductory style. (October 2009) (Learn how and when to remove this template message) A molecular probe is a group of atoms or molecules used in molecular biology or chemistry to study the properties of other molecules or structures.
Polymerase chain reaction (PCR) is a method that allows exponential amplification of short DNA sequences. (usually 100 to 600 bases) within a longer double stranded DNA molecule. PCR entails the use of a pair of. primers, each about 20 nucleotides in length, that are complementary to a defined sequence on each of the. two strands of the DNA. These primers are extended by a DNA polymerase so that a copy is made of the.