The new DNA molecule grows in the 5' to 3' direction.

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editors, World Scientific, 314-365.

Karl Friston,

DNA synthesis occurs only in 5'-3' direction.?

The data presented in [20] is in full compliance with the ideas we had independently put forward [32, 33]; according to our point of view, DNA non-coding sequences, or approximately 95-98% of a genome, are a strategic informational content of chromosomes.

In what direction does DNA replication occur- 3' to 5', …

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Three activities are associated with DNA polymerase I; 5' to 3 ..

Nilesh Vaidya et al., "Spontaneous network formation among cooperative RNA replicators" [abstract], doi:10.1038/nature11549, p72-77 — and commentary by James Attwater and Philipp Holliger, "Origins of life: The cooperative gene" [abstract], p48-49 — v491, Nature, 1 Nov 2012.

add nucleotides in the 5' to 3' direction

We detected the first organic chemistry in quartz minerals of tectonic fault zones in Archean quartz dykes of Western Australia." 25 Mar 2015: Origin-of-life puzzle cracked How Earth's earliest life overcame a genetic paradox by Tim Wogan, Science News, 30 Jan 2015.

runs from the 5’ direction to the 3’ direction ..

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synthesis of one DNA strand in a 3' to 5' direction.

Each new strand is synthesized using deoxyribonucleoside triphosphates (dATP, dGTP, dTTP, dCTP) as substrates. Nucleotides are added in a 5'----->3' direction, with anti-parallel complementarity to the sequence of each parental strand, which is termed the template. DNA polymerases catalyze the polymerization reaction.

Russell et al.,

Why does DNA synthesis proceed in a 5′ to 3′..

The nucleus contains all the necessary enzymes, proteins, and nucleotides required for this synthesis. A short segment of DNA is “unzipped,” so that the two strands in the segment are separated to serve as templates for new DNA. DNA polymerase, an enzyme, recognizes each base in a template strand and matches it to the complementary base in a free nucleotide. The enzyme then catalyzes the formation of an ester bond between the 5′ phosphate group of the nucleotide and the 3′ OH end of the new, growing DNA chain. In this way, each strand of the original DNA molecule is used to produce a duplicate of its former partner (). Whatever information was encoded in the original DNA double helix is now contained in each replicate helix. When the cell divides, each daughter cell gets one of these replicates and thus all of the information that was originally possessed by the parent cell.

why does DNA synthesis always proceed in the 5'--> 3' direction

Chen, "...An RNA Whirl" (review of Life from an RNA World: The Ancestor Within, by Michael Yarus), [summary], doi:10.1126/science.1197794, p758 v330, Science, 5 Nov 2010.