DNA is synthesized through a process known as - DNA replication or semiconservative replication.
DNA replication
- synthesis of new DNA.
- a double-stranded DNA molecule is copied to produce two identical DNA molecules.
- is an essential process because, whenever a cell divides, the two new daughter cells must contain the same genetic information or DNA.
- the replication takes place in the following steps:
step 1
in the nucleus of the cell the DNA double helix separates after that an enzyme named DNA helicase attaches to the DNA molecule and moves along the molecule and 'unzips' the two strands of DNA
Step 2
since nucleotides are floating in the nucleus that means there are A, G, T and C's floating around also. these are bases that form hydrogen bonds with the bases of DNA strands.
Step 3
the enzyme they call DNA polymerase catalyzes the formation of the sugar-phosphate units at the sides of the helix and connects one base pair to the next one
Thus, DNA is synthesized through a process known as - DNA replication or semiconservative replication.
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