Nucleus
It's kept in the nucleus (true for eukyrotes). Bacteria have no cell organelles, thus their DNA lies in the cytoplasm.
The DNA in a cell is stored in the nucleus, a membrane-bound organelle that acts as the control center of the cell. It is organized into structures called chromosomes.
Inside the nucleus of a cell
Eukaryotic cells contain a nucleus because the nucleus is what controls every other organelle in a cell. Within the nucleus there is also DNA which is later transcribed and translated.
The nucleus is the organelle that contains the cells DNA.
The nucleus contains the genetic material (DNA) that contains instructions for making proteins. The information in the DNA is transcribed into mRNA, which is then translated into proteins by ribosomes in the cytoplasm.
The nucleus is the organelle that holds the DNA and serves as the control center of the cell. It regulates gene expression, DNA replication, and cell division.
The nucleus contains most of the DNA in a cell and this DNA is called the chromosomal DNA. It is separated from the rest of the cell by a double layer of membrane. The mitochondria also contain DNA, called the mitochondrial DNA.
DNA is kept in the nucleus, while RNA transcription occurs in the nucleus before the mRNA moves to the ribosomes in the cytoplasm for translation.
Transcription is only the copying of DNA, so of course, it occurs at the DNA which is in the nucleus of a cell.
Nucleus
The code for pepsin is contained in the cell's nucleus in the form of DNA. This DNA is transcribed into mRNA, which is then translated into protein in the cell's cytoplasm.