nucleic acids - biochemistry

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4 Terms

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what are nucleic acids?

  • information molecules found in the nucleus

  • acidic and include DNA and RNA

  • store and transmit genetic information

2
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nucleotide structure

  • a phosphate group

  • ribose sugar (deoxyribose in DNA)

  • nitrogenous base

    • adenine (A) + thymine (T) (or uracil (U) in RNA) → 2 hydrogen bonds

    • guanine (G) + cytosine (C) → 3 hydrogen bonds

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DNA

  • double-stranded helix

  • contains deoxyribose

  • uses Thymine

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RNA

  • single-stranded

  • contains ribose

  • uses uracil

    → mRNA, tRNA, rRNA