9 Flashcards
Enzymes the process bacterial pre-RNA?
Endo and exonucleases
Role of bacteria factor?
Rho- termination of transcription
Sigma- initiation of transcription
Process of conversion of primary transcript to mature RNA?
RNA processing
Enzyme with higher sensitivity to alpha amanitin?
RNA polymerase II
Enzyme producing pre-RNA in eukaryotic cells?
RNA polymerase I
rRNAs produced from mammalian pre-rRNA?
18S, 28S, 5.8S rRNA
rRNA produced outside nucleolus?
5S rRNA
DNA region between 18S and 5.8S rRNA genes?
Transcribed spacer
Process shown by Christmas-trees?
Synthesis of eukaryotic rRNA
Role of snoRNA?
pre-rRNA processing in eukaryotes
Site of finishing maturation of ribosomal subunits?
Cytoplasm
Site of formation of ribosomal proteins?
Free ribosomes of cytoplasm
Ribosomal subunits attach to each other?
During initiation of translation
pre-mRNA sequences from mature mRNA molecules?
Absent- Introns
Present- Exons
Process removing insurance from pre-mRNA?
Splicing