Thermal cycling of DNA samples. Footage of vials containing samples of DNA (deoxyribonucleic acid) being placed in a thermal cycler. This is a machine that performs a polymerase chain reaction (PCR) on DNA. PCR is a process that replicates DNA, meaning tiny traces of DNA can be multiplied to an amount suitable for forensic or medical analysis. Photographed in a medical laboratory at Guy's Hospital, London, UK. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Clouds Hill Imaging |
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