ch8

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Anonymous
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51302
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ch8
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2010-11-23 07:29:58
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ch8
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  1. The two strands are ________ to one another.
    AATGCGGTCCTAT
    TTACGCCAGGATA
    complementary
  2. 3-->5
    5<--3
    antiparallel
  3. A ribonucleic acid involved in protein synthesis.
    tRNA
  4. contains a phosphate group in an ester linkage to a ribose sugar and a nitrogenous base.
    nucleotide
  5. A common intracellular signaling molecule.
    cAMP
  6. Most eukaryotic mRNA codes for a single polypeptide and is ____________.
    monocistronic
  7. What two complementary strands of DNA spontaneously do to form an intact duplex.
    anneal
  8. thymidylate is a nucleotide found primarily in ________ acids
    deoxyribonucleic
  9. A common protein domain found in proteins that bind ATP
    nucleotide-binding fold
  10. A major structural component of the protein synthetic machinery of cells.
    mRNA
  11. Covalent bonds that link the individual nucleotide residues in DNA and RNA
    phosphodiester
  12. Structure containing polypurine tracts are mirror repeats; forms a triple helix
    H-DNA
  13. Left-handed double helical structure
    Z-DNA
  14. Right handed; Watson-Crick double helix
    B-DNA
  15. Short polymers of nucleotides (50 or less), often used as complementary DNA "probes" for hybridization techniques.
    oligonucleotides
  16. AACCTTTTCCAA
    TTGGAAAAGGTT
    mirror repeat
  17. DNA duplex formed from DNA of different species
    hybrid
  18. Non-Watson-Crick or __________ pairing; allows formation of triplex DNA strands.
    Hoogsteen
  19. Hydrogen peroxide; a byproduct of aerobic metabolism, is a common cause of these in DNA
    mutations
  20. Carries genetic information from DNA to the ribosomes
    mRNA
  21. Contains a purine attached to a phosphorylated ribose; the base was first isolated from bird manure
    guanylate
  22. Dehydrated, compact form of DNA
    A-DNA
  23. A major pyrimidine; has a methyl group at C-5
    thymine
  24. Describes mRNA that is translated into more than one protein
    polycistronic (ONLY IN PROKARYOTES)
  25. Determined for a solution of DNA by measuring UV light absorption as a function of temperature.
    melting point
  26. Uracil is a nitrogenous base found predominately in ___________ acids.
    ribonucleic
  27. AACCAATTGGTT
    TTGGTTAACCAA
    palindrome
  28. The increase in UV light absorption when double-stranded DNA is denatured is referred to as the __________________ effect.
    hyperchromic
  29. A major pyrimidine; has an amino group at C-4
    cytosine
  30. Uracil attached through N-1 to ribose
    uridine
  31. Purine or pyrimidine base covalently bound to furanse through an N-B-glycosidic bond.
    nucleoside

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