Chapter 17 Notes

Chapter 17 Notes - CHAPTER 17 FROM GENE TO PROTEIN Topics...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CHAPTER 17 FROM GENE TO PROTEIN Topics Nucleic acids DNA replication Gene expression Eukaryotic vs Prokaryotic gene expression Genomics Regulating gene expression Sensing and responding to environmental changes Gene Expression Synthesizing proteins from the genetic code: Transcription (DNA->mRNA) RNA processing (pre-mRNA->finished mRNA) Translation (RNA-> protein) Codon Definition-triplet of bases coding for AA A,T,C,G (DNA) A,U,C,G (RNA) 4 3 possible triplets 64 20 Amino Acids =>More than one codon for each Amino acid Stop codons-UAA,UGA,UAG Start codon or Met-AUG Transcription Initiation of RNA synthesis Elongation Termination Transcription Synthesis of an RNA Transcript The stages of transcription are Initiation Elongation Termination
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
RNA Polymerase Binding and Initiation of Transcription Promoters signal the initiation of RNA synthesis Include a “TATA” box Transcription factors Help eukaryotic RNA polymerase recognize “TATA” box and binds to it. Then RNA polymerase II can bind forming transcription initiation complex mRNA Processing Alteration of mRNA ends Capping Polyadenylation
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/23/2008 for the course SCI 1406 taught by Professor Sheffield during the Spring '08 term at Tarrant County.

Page1 / 5

Chapter 17 Notes - CHAPTER 17 FROM GENE TO PROTEIN Topics...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online