Rna protein synthesis
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Rna protein synthesis

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Rna protein synthesis

Rna protein synthesis

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  • Book pg. 303 UCG – Serine CAC – Histidine GGU - Glycine
  • PROTEIN REVIEW What is the monomer (subunit) for protein? amino acids What are the functions of protein? structure or support; enzymes speed up chemical reactions Name examples of proteins. muscles, hair, cartilage, nails

Rna protein synthesis Rna protein synthesis Presentation Transcript

  • RNA
    • Ribonucleic acid
    • Single stranded
    • Sugar is ribose
    • Uracil replaces thymine
    • Types of RNA
      • mRNA – messenger – transcription
      • tRNA – transfer - translation
      • rRNA – ribosomal – makes up part of ribosome
  •  
  • DNA vs RNA
    • Contains deoxyribose sugar
    • Is double stranded
    • Bonds A-T and C-G
    • Never leaves the nucleus
    • Contains ribose sugar
    • Is single stranded
    • Bonds A-U and C-G
    • Can leave the nucleus
  • gene expression
    • mRNA copies DNA in nucleus – transcription
    • Takes copy to ribosome
    • tRNA brings amino acids to ribosome - translation
    Transcription Translation
  •  
  • Messenger RNA Codons
  •  
    • What does the chain of amino acids represent?
    Polypeptide Chain – A Protein Threonine Arginine Glycine Glycine Proline Asparagine Proline Alanine
  • Protein Review What is the monomer (subunit) for protein? What are the functions of protein? Name examples of proteins. amino acids structure or support; enzymes speed up chemical reactions muscles, hair, cartilage, nails
  • Mutations
    • In somatic cells – not passed on to offspring, but could damage person
      • UV radiation
    • In gametes – occurring during fertilization, new gene is part of offspring
      • Could make a non-functional protein
      • Could be a positive or negative effect
  • Gene Mutations Substitution Insertion Deletion
  • Chromosomal Mutations Deletion Duplication Inversion Translocation