TRANSCRIPTION AND REGULATION QUIZ

RNA polymerase I

RNA polymerase II

RNA polymerase III

all of these

are transcribed by rRNA polymerase III and the 5S rRNA

are transcribed by rRNA polymerase I and the 5S rRNA

are transcribed by rRNA polymerase II

are transcribed by DNA polymerase I

at least two distinct domains of protein structure and a DNA binding domain

at least two distinct domains of protein structure, a DNA binding domain and an activation domain

at least one distinct domains of protein structure, a DNA binding domain and an activation domain

none of these

recognition of the translational start sequence

recognition of the translational stop sequence

recognition of the transcriptional stop sequence

recognition of the transcriptional start sequence

downstream from the start codon

at the start codon

none of these

upstream from the start codon

only active inside the cell

interchangable with DNA polymerases

highly glycosylated in their active forms

multisubunit enzymes

both (a) and (b)

removes mRNA and holoenzyme from the DNA

requires ATP

requires about 50 nucleotides of uncomplexed mRNA

a single 5S rRNA precursor molecule

a single 18S rRNA precursor molecule

a single 28S rRNA precursor molecule

a single 45S rRNA precursor molecule

an amino acid chain

messenger RNA

complementary DNA

Okazaki fragments

assure that translation begins at the proper point

assure that transcription ends at the proper point

assure that transcription begins at the proper point

assure that translation ends at the proper point