Creado por kellis1
hace más de 10 años
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transcription
translation
3 types of RNA
mRNA
rRNA
tRNA
Transcription Requires:
RNA polymerase
3 steps of transcription:
initiation
(transcription)
elongation
(transcription)
termination
(transcription)
coding regions
introns
extrons
pre-mRNA
nucleic acid hybridization
RNA splicing
consensus sequences
snRNPS
(small nuclear ribonucleoprotein particles)
spiceosome
alternative splicing
Modifications at the ends of pre-mRNA
5' cap
poly A tail
codons
start codon
stop codons
silent mutations
missense mutations
nonsense mutations
frame-shift mutations
2 events that must occur for the protein to be made correctly:
3 functions of tRNA:
anticodon
3 sites of large subunit of ribosome
A site
P site
E site
fidelity function
3 steps of translation
initiation complex
initiation
(translation)
elongation
(translation)
termination
(translation)
polyribosome/
polysome
signal sequence
how a new polypeptide
moves into an organelle
3 modifications performed on proteins after translation:
proteolysis
glycosylation
phosphorylation