DNA And Protein Synthesis Vocabulary

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  • 1. 
    A sub-unit of which nucleic acids are composed: made up of a 5-carbon sugar, a phosphate group, and a nitrogenous base.

  • 2. 
    A substance found in eukaryotic chromosomes that consists of DNA tightly coiled around histones.

  • 3. 
    The process by which the sequence of bases of a mRNA is converted into the sequence of amino acids of a protein.

  • 4. 
    A group of three nucleotide bases in mRNA that specify a particular amino acid to be incorporated into a protein.

  • 5. 
    A group of three bases on at RNA molecule that are complementary to the three bases of a codon of mRNA.

  • 6. 
    A change in the genetic material of a cell.

  • 7. 
    This base contains nitrogen and sticks out sideways from the nucleotide chain and can be joined together in any order. It is very good at absorbing light.

  • 8. 
    Looks like a twisted ladder, the two strands twist around each other like spiral staircases.

  • 9. 
    The percentages of adenine [A] and thymine [T] bases are almost equal in any smaple of DNA.  The same thing is true for the other 2 nucleotides, guanine [G] and cytosine [C].

  • 10. 
    Nucleic acid made up of nucleotides joined into long strands or chains by covalent bonds, or genetic information.

  • 11. 
    A type of RNA that combines with proteins to form ribosomes.

  • 12. 
    A type of RNA htat carries each amino acid to a ribosome during protein synthesis.

  • 13. 
    A type of RNA that carries copies of instructions for the assembly of amino acids into proteins form DNA to the rest of the cell.

  • 14. 
    Involves messenger RNA ribosomal RNA, and transfer RNA.  Most RNA molecules are involved in just this one job.

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