L15 - Transcription & translation pt.1
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13 Terms
DNA nucelotides have _____ sugars
deoxyribose
RNA nucleotides have ____ sugars
ribose
which pyrimidine is present in rna to replace thymine?
uracil
what are the major types of RNA in both eukaryotes & bacteria ?
mRNA, rRNA, tRNA
what are the major types of RNA in eukaryotes ?
pre-mRNA
snRNA (small nuclear)
snoRNA (smal nucleolar)
what are the major types of RNA in bacteria ?
crRNA (crispr rna)
what are the components of a transcription unit?
a promoter, a RNA-coding sequence, and a terminator
what is a transcription unit?
a sequence of nucleotides in dna that encode a single RNA molecule
what is the promoter
a DNA sequence that is recognized & attached to by the transcription apparatus
what is the RNA coding region?
a sequence of DNA nucleotides that is copied into a RNA molecule
how do you know which strand is the the template or non template
it starts with 3’ end (use pic)
ribonucleotides are added one at time to the ____ of the growing RNA molecule
3’ OH
start at slide 14
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