Transcriptomics is the study of all the messenger RNA molecules in a cell or tissue at a given moment, known as the transcriptome. This field of research focuses on analyzing the gene expression patterns and identifying the different types and quantities of RNA molecules present in a biological sample. Transcriptomics techniques are used to study gene expression, regulation, and functions, and can provide valuable insights into various biological processes, such as disease development, responses to stimuli, and cellular differentiation. By analyzing the transcriptome, researchers can gain a better understanding of how genes are activated or repressed under different conditions and how this impacts cellular function and organism development.