WorksheetsTranscription- Quiz 1
Total questions: 15
Worksheet time: 4hrs 45mins
What is the first stage of the flow of information from DNA to polypeptide?
Replication
Translation
Transcription
Mutation
Which enzyme is responsible for RNA transcription?
DNA Polymerase
RNA Polymerase
Ligase
Helicase
What is the function of the TATA box in eukaryotic promoters?
Post-translational Modifications
Termination of Transcription
Initiation of Transcription
Initiation of Translation
Which type of RNA is responsible for bringing amino acids to mRNA during translation?
Messenger RNA (mRNA)
Transfer RNA (tRNA)
MicroRNA (miRNA)
Ribosomal RNA (rRNA)
What is the main function of RNA Polymerase I in eukaryotes?
Transcription of miRNA
Transcription of rRNA
Transcription of mRNA
Transcription of tRNA
In prokaryotic transcription, what is the role of the Rho-independent terminator?
Post-transcriptional Modifications
Termination of RNA
Elongation of RNA
Initiation of Transcription
What is the main difference between eukaryotic and prokaryotic transcription?
Formation of Chromatin
Number of RNA Polymerases involved
Presence of Nucleus
Requirement of Promoter Binding
How does termination of RNA Polymerase II transcription differ from RNA Polymerase I and III termination?
Poly(A)-independent
Rho-dependent
Sen1-dependent
Polyadenylation-dependent
What is the function of RNA polymerase III?
Synthesizing mRNA
Synthesizing tRNAs and 5S rRNA
Synthesizing ribosomal proteins
Synthesizing DNA
Where does transcription occur in prokaryotes and eukaryotes?
Mitochondria in prokaryotes and nucleus in eukaryotes
Nucleus in prokaryotes and cytoplasm in eukaryotes
Cytoplasm in prokaryotes and nucleus in eukaryotes
Nucleus in both prokaryotes and eukaryotes
What is the role of the Shine-Dalgarno sequence in prokaryotic translation?
Enhancing splicing
Promoting transcription
Terminating translation
Initiating translation
Which factor is responsible for recognizing termination codons in eukaryotic translation?
eRF1
RF3
RF2
RF1
What is the function of EF-G in the elongation phase of translation?
Hydrolyzing mRNA
Initiating peptide bond formation
Promoting translocation of tRNA
Recognizing start codon
What is the primary function of aminoacyl-tRNA synthetase enzymes?
Forming peptide bonds
Activating amino acids for tRNA binding
Recognizing termination codons
Promoting translocation
Which ribosomal subunit is composed of 65% rRNA and 35% ribosomal proteins?
30S in prokaryotes
40S in eukaryotes
60S in eukaryotes
50S in prokaryotes
