NURSING ANM AND GNM

Detailed explanation-1: -The DNA of the operon contains three genes, Gene 1, Gene 2, and Gene 3, which are found in a row in the DNA. They are under control of a single promoter (site where RNA polymerase binds) and they are transcribed together to make a single mRNA that has contains sequences coding for all three genes.

Detailed explanation-2: -Answer and Explanation: The information for making a specific polypeptide chain is contained in a series of nonoverlapping three-base words, or triplets, called codons. The coding information contained in DNA is copied into a strand of messenger RNA (mRNA), which contains the base U in place of T found in DNA.

Detailed explanation-3: -A gene sequence is converted into a polypeptide sequence via two processes: Transcription – making an mRNA transcript based on a DNA template (occurs within the nucleus) Translation – using the instructions of the mRNA transcript to link amino acids together (occurs at the ribosome)

Detailed explanation-4: -Promoter – a nucleotide sequence that enables a gene to be transcribed. Operator – a segment of DNA to which a repressor binds. Structural genes – the genes that are co-regulated by the operon.