sample dna

Julie C. (United States of America)
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Full list of words from this list:

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  1. coding DNA
    sequence of a gene's DNA that transcribes into protein structures
    Another class of non-coding DNA is the "pseudogene", so named because it is believed to be a remnant of a real gene that has suffered mutations and is no longer functional.
  2. intron
    sequence of a eukaryotic gene's DNA that is not translated into a protein
    The Core Gene Sequence: Introns and Exons

    Genes make up about 1 percent of the total DNA in our genome.
  3. eukaryotic
    having cells with `good' or membrane-bound nuclei
    This theory is also supported by the existence of a eukaryotic organism, called the amoeba, which lacks mitochondria.
  4. nuclear RNA
    ribonucleic acid found in the nucleolus of the cell
    Ribonucleic Acids
    In addition to mRNA, DNA codes for other forms of RNA, including ribosomal RNAs (rRNAs), transfer RNAs (tRNAs), and small nuclear RNAs (snRNAs). rRNAs and tRNAs participate in protein assembly whereas snRNAs aid in a process called splicing -the process of editing of mRNA before it can be used as a template for protein synthesis.
  5. centromere
    a specialized condensed region of each chromosome that appears during mitosis where the chromatids are held together to form an X shape
    The most highly repeated sequences found so far in mammals are called "satellite DNA" because their unusual composition allows them to be easily separated from other DNA. These sequences are associated with chromosome structure and are found at the centromeres (or centers) and telomeres (ends) of chromosomes.
  6. phenotypic
    of or relating to or constituting a phenotype
    These expressed, or phenotypic, traits are attributable to genotypic variation in a person's DNA sequence.
  7. ribose
    a pentose sugar important as a component of ribonucleic acid
    However, the ribose sugar component of RNA is slightly different chemically than that of DNA. RNA has a 2' oxygen atom that is not present in DNA. Other fundamental structural differences exist.
  8. allele
    any of the forms of a gene that can occupy the same locus
    Methylation also plays an important role in genomic imprinting, which occurs when both maternal and paternal alleles are present but only one allele is expressed while the other remains inactive.
  9. mRNA
    the template for protein synthesis
    Ribonucleic Acids
    In addition to mRNA, DNA codes for other forms of RNA, including ribosomal RNAs (rRNAs), transfer RNAs (tRNAs), and small nuclear RNAs (snRNAs). rRNAs and tRNAs participate in protein assembly whereas snRNAs aid in a process called splicing -the process of editing of mRNA before it can be used as a template for protein synthesis.
Created on 十一月 11, 2009

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