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== Biological Functions ==
''Sources:''<ref name='Rawn' > Rawn,David J. "Biochemistry"(1st ed.) Harper&Row,Publishers, Inc.pp. 1024-1050. ISBN-0-06045335-4</ref>


=== Replication===
DNA undergoes what is known as semi conservative mode of replication wherein the daughter DNA contains one DNA strand of the parent. The replication proceeds through the unwinding of double helix followed by synthesis primers from where the replication begins. An enzyme DNA polymerase synthesizes complementary strands to each parent strand from 5'-3' direction.
===Transcription and Translation===
The expression of genes into proteins and is a process involving two stages called transcription and translation. In the transcription stage a strand of DNA molecule serves as a template for the synthesis of an RNA molecule called messenger RNA. This messenger RNA is then translated into proteins on ribosomes.


== See Also ==
== See Also ==