Transcription Overview.ppt
Zoology 232 with Rypstra at Miami University of Ohio
About this note
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj
Sign up (free) to study this.
Transcription Overview DNA template strand 5? 5? 3? 3? ACT GAT TTA ACT CGG TGA C__ ___ ___ ___ TRANSCRIPTION 5? 3? mRNA UGA ___ ___ ___ ___ 3 nucleotides (bases) = Codon = 1 amino acid (or start/stop) AUG UGU UUA CGA AUU Exon 1 Exon 2 INTRON 1 UAA Overview of mRNA Processing AUG UGU UUA CGA AUU UAA AAAAAA 5? cap Add 5? cap Splice out introns Add poly A+ tail Codons are universal, non-overlapping, and degenerate (more than 1 codon can specify the same amino acid). GGT Gly (G) GGC " GGA " GGG " GAT Asp (D) GAC " GAA Glu (E) GAG " GCT Ala (A) GCC " GCA " GCG " GTT Val (V) GTC " GTA " GTG " G AGT Ser (S) AGC " AGA Arg (R) AGG " AAT Asn (N) AAC " AAA Lys (K) AAG " ACT Thr (T) ACC " ACA " ACG " ATT Ile (I) ATC " ATA " ATG Met (M) A CGT Arg (R) CGC " CGA " CGG " CAT His (H) CAC " CAA Gln (Q) CAG " CCT Pro (P) CCC " CCA " CCG " CTT Leu (L) CTC " CTA " CTG " C TGT Cys (C) TGC TGA Ter TGG Trp (W) TAT Tyr (Y) TAC TAA Ter TAG Ter TCT Ser (S) TCC " TCA " TCG " TTT Phe (F) TTC " TTA Leu (L) TTG " T G A C T AUG UGU UUA CGA AUU UAA AAAAAA 5? cap mRNA TRANSLATION Met Cys Leu Arg Ile Stop rRNA: ribosomes tRNA: amino acids Polypeptide (protein) GUU UAC GAA UUA AAA TRANSLATION CYS VAL TYR GLU LEU LYS A UGU A What if reading frame shifts? TRANSLATION OVERVIEW
About this note
About StudyBlue
STUDYBLUE makes things that make you better at school.
Things like online flashcards with photos and audio.
Things like personalized quizzes and friendly reminders about when (and what) to study next.
Think of it as a digital backpack™: access to all of your study materials online and on your phone.
STUDYBLUE exists to make studying efficient and effective for every student, for free. Join us.
“I have used this website for three exams, and I see a huge difference in my test results.”
Naj
Naj