Molecular Biology

Polymerase Chain Reaction (PCR ) is a technique that utilizes the enzyme DNA polymerase for making copies of a gene, gene fragment, or specific DNA or RNA sequence. DNA polymerase is the enzyme that catalyzes replication and repair of DNA. PCR is a requisite tool in research, clinical, environmental, and forensic laboratories. PCR employs cycles of heating and cooling to first melt and separate the

Molecular Biology How 99.9% of any one person's DNA is exactly the same as any other person regardless of ethnicity or race

by Methane

In the early twentieth century many scientists held the view that biologically distinct races existed. The races corresponded to the

Molecular Biology What are amino acids?

by Erich Rosenberger M.D.

Amino acids are fundamental building blocks for proteins. Proteins are made of long chains of amino acids. Sometimes these chains

Molecular Biology Small scale genetic mutation: DNA insertions, deletions and frame-shifts

by Tami Port MS

A mutation is a rare change in a gene's DNA sequence. The result of these genetic mistakes can range from no effect on the organism

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: Molecular Biology