372903
DNA and RNA
- synthesis of dna and rna goes in the 5' to 3' direction in terms of the newly synthesized strand
- incoming nucleotide always attaches to the 3' carbon
- incoming nucleotide always attaches to the 3' carbon
- transcription is creation of mRNA from dna template
- Txn
- Txn
- Rna polymerase binds at the promoter
- transcription goes in 3'-5' direction in terms of dna
- rna produced it transcription undergoes rna processing
- primary rna transcript is immature
- in processing the 3' UTR is chewed back till the AAUAAA region is present
- the poly A tail added to end
- made of adenine strand
- shortens over time
- when short enough mRNA is degraded
- allows for transport out of nucleus
- allows for transport out of nucleus
- when short enough mRNA is degraded
- made of adenine strand
- the poly A tail added to end
- 5' cap
- protects 5' end
- enzymes are present to degrade single stranded RNA
- protects 5' end
- splicing
- during transcription
- introns taken out of transcript
- exons kept and expressed
- SnRNPs come together to form a splicesome
- during transcription
- primary rna transcript is immature
- rna produced it transcription undergoes rna processing
- transcription goes in 3'-5' direction in terms of dna
- spliceosome and ribosome
- protein/rna structures where the rna part is what catalyzes the chem reaction
- mutations can occur in splice sites
- protein/rna structures where the rna part is what catalyzes the chem reaction
- translation
- the ribosome is responsible for protein sythesis
- translation of the genetic code from nucleotide sequence to amino acid sequence is proformed by the transfer rna (trna)
- the ribosome is responsible for protein sythesis
Anexos de mídia
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