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Genes and Proteins

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  • What nitrogen bases go together in a DNA nucleotide?
    cytosine with guanine and thymine with adenine
  • What helps produce proteins?
    RNA
  • What is a form of RNA?
    messenger, transfer, or ribosomal
  • Can mistakes happen during the replication of genes?
    yes
  • What is the shape of a DNA molecule?
    double helix
  • How much DNA in chromosomes of humans does not form genes and is junk DNA?
    97%
  • Can exposure to radiation cause a mutation?
    yes
  • What is the process of making a protein from RNA?
    translation
  • What is a type of mutation?
    insertion, deletion, or substitution
  • What are the 3 nitrogen bases on mRNA that code for 1 amino acid?
    codon
  • During transcription, what changes in the nucleotide sequence?
    adenine will pair with uracil instead of thymine
  • Where are genes located?
    chromosome
  • What is the process of making mRNA from DNA?
    transcription