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The DNA,
present in each of the chromosomes, is one very
large double stranded molecule, present in the
double helical form. |
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Genes
are the short stretches of DNA (in red), on the
large total DNA molecule, that encode for RNA
and proteins
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In each
strand of the DNA, the basic units, deoxy-ribonucleotides,
are joined together by a 5'-3' phosphodiester
linkage. |
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The two
strands of DNA are held together by the hydrogen
bonds, formed between them. |
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