<prompt> Which of the following test is not used in epigenetics:HPLCChip on chipBi-sulfate sequencingMethylation sensitive Restriction Enzymes digestion  <response>: HPLC is not used in epigenetics Tests done in epigenetics are : Na bisulfite method - detects DNA methylation. ChIP- Chromatin Immuno Precipitation- Detects post translational modifications of histones Used together with its large-scale variants ChIP-on-chip and ChIP-Seq FISH Fluorescent in situ hybridization Methylation-sensitive restriction enzymes PCR Microarray 