DNA contains information for an organism's growth and function. So first, DNA is stored in cells that have a nucleus. When a cell divides, the DNA code is copied and passed to the new nucleus. In this way, new cells receive the coded information that was in the original cell. Every cell that has ever been formed in your bodies or in any other organism contains DNA.
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DNA forms through a process called DNA replication, where the two strands of the DNA molecule unwind and separate, and new complementary strands are built using base pairing rules. Enzymes are responsible for catalyzing the bonding of the new nucleotides to each original strand, resulting in two identical DNA molecules.
Recombinant DNA is a new form of DNA because it is created via introduction of the relevant DNA into the existing organismal DNA.
In a cell, the tangles of long strands of DNA form the
Chromatin is the uncoiled form of DNA that resembles a thread-like structure. It consists of DNA wrapped around proteins called histones, which help organize and compact the DNA into a condensed form. When DNA is uncoiled and in the form of chromatin, it allows for easier access and transcription of the genetic information stored in the DNA.
DNA
In eukaryotic organisms, genetic material in the form on DNA (which in turn are in the form of chromatin during interphase) is stored in the nucleus of the cell.