Daily Warm-Up Dec. 11th -What are the three enzymes involved with replication? What is the function of each? Homework: -Read 13.1 Turn in: -Nothing
Central Dogma DNA to RNA to proteins
Transcription -DNA into RNA
Gene Expression Genes provide instructions for building proteins
How is DNA different than RNA? Uracil instead of thymine Single-stranded instead of double-stranded Ribose sugar
Transcription Process Occurs in nucleus Why? RNA polymerase Transcribes template strand 5’ to 3’ Product is messenger RNA or mRNA Why the name?
Starting Transcription RNA Polymerase needs to find a promoter region Sequence of DNA
Changes to RNA 5’ Cap Poly-A tail Splicing Removal of introns (non-coding regions) Keep exons
Transcribe this strand ATCGCAATCGAGGCCTAT