Which statement correctly explains the chemical basis of Chargaff's rules? Specific purines and specific pyrimidines will always be found opposite each other in the two opposing DNA strands. The double-stranded DNA helix contains phosphodiester bonds linking the nucleotides together. The DNA strands are oriented in an antiparallel direction. Phosphate groups and deoxyribose form the outside backbone of the double stranded DNA molecule. Nucleotides are always composed of a pentose sugar, phosphate, and nitrogenous base.

Human Anatomy & Physiology (11th Edition)
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Which statement correctly explains the chemical basis of Chargaff's rules?

Specific purines and specific pyrimidines will always be found opposite each other in the two opposing DNA strands.

The double-stranded DNA helix contains phosphodiester bonds linking the nucleotides together.

The DNA strands are oriented in an antiparallel direction.

Phosphate groups and deoxyribose form the outside backbone of the double stranded DNA molecule.

Nucleotides are always composed of a pentose sugar, phosphate, and nitrogenous base.

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