Word forms: 3rd person singular present tense investigates , present participle investigating , past tense , past participle investigated. verb. If someone, especially an official, investigates an event, situation, or claim, they try to find out what happened or what is the truth.
Gene cloning is a method for making many identical copies of a gene by inserting the gene into a living host cell.Under appropriate conditions, the host cell will replicate the foreign DNA along with its own DNA whenever it divides.ene cloning is a method for making many identical copies of a gene by inserting the gene into a living host cell.
Gene expression is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins, but in non-protein coding genes such as ribosomal RNA (rRNA) genes or transfer RNA (tRNA) genes, the product is a functional RNA.eporter genes can also be used to assay for the expression of the gene of interest, which may produce a protein that has little obvious or immediate effect on the cell culture or organism. In these cases the reporter is directly attached to the gene of interest to create a gene fusion.