DNA

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Anonymous
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8213
Filename:
DNA
Updated:
2010-02-26 11:43:06
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DNA biology cells
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Description:
chapter 12 Glencoe biology book vocabulary terms
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  1. What shape is the DNA molecule?
    double helix
  2. When parental strands of DNA separate, serve as templates, and produce DNA molecules that have one strand of parental DNA and one strand of new DNA is called this.
    semiconservative replication
  3. enzyme that is responsible for unwinding and unzipping the double helix
    helicase
  4. enzyme that adds the new nucleotides to the parental strand of replicating DNA
    DNA polymerase
  5. this nucleic acid contains uracil instead of thymine, is single stranded, and made up of ribose sugar
    RNA
  6. this strand of RNA 'reads' the DNA information in the nucleus and then takes it out of the nucleus to the ribosome
    mRNA
  7. this RNA associates with proteins to form ribosomes in the cytoplasm
    rRNA
  8. smaller segments of RNA that transport amino acids to the ribosome
    tRNA
  9. process where mRNA is synthesized from DNA in the nucleus
    transcription
  10. What is the central dogma of biology?
    process where proteins are made from DNA to RNA to ribosomes (protein production here)
  11. sequences found on the DNA that do not get copied onto the RNA are called this
    introns or intervening sequences
  12. the coding sequences that get transferred from DNA to RNA are called this
    exons
  13. the three base code in DNA or mRNA that determines which amino acid will be used is called this
    codon
  14. process where the mRNA connects to a ribosome and is 'read' in order to build a protein
    translation
  15. the ability of a gene to regulate which genes are transcribed in response to the environment
    gene regulation
  16. a permanent change in the DNA
    mutation
  17. a substance that causes mutations in the DNA are called this
    mutagen
  18. 4 types of mutations are
    • substitution
    • deletion
    • duplication
    • insertion
  19. Adenine combines with ___ in DNA
    thymine
  20. Cytosine combines with _____ in DNA
    guanine
  21. Adenine combines with ____ in RNA
    uracil
  22. the three basic building blocks of DNA are these
    • phosphate
    • sugare (deoxyribose)
    • nucleotide (A,C,T,G)
  23. Scientific team who discovered the double helix shape of DNA
    Watson and Crick (1953)
  24. Rule that states the combination pattern of A with T and C with G
    Chargaff's Rule

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