The polarities of the two strands of the molecule are in opposite direction and thus DNA is described as ________

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#Question id: 17922

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Which of the following algorithms implements “once a gap, always a gap” policy?

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#Question id: 15715

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In embryogenesis a type of structure with no vascular connection with the maternal callus tissue or explants is formed

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#Question id: 1557

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which one of these antibody can cross placenta?

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#Question id: 1264

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 Desmosomes

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#Question id: 316

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Which of these noncovalent forces in biological systems is usually the strongest?