Transcription and mRNA Processing Essentials

What does transcription involve in genetic processes?

• Translation of mRNA to protein

• Conversion of mRNA to DNA

• Replication of DNA

• Conversion of DNA to mRNA

Which molecule is synthesized from the DNA template during transcription?

• tRNA

• rRNA

• mRNA

• DNA polymerase

Where does transcription occur in prokaryotic cells?

• On the cell membrane

• Inside the nucleus

• In the cytosol

• Within ribosomes

What is the primary function of RNA polymerase during transcription?

• To replicate DNA

• To unwind the DNA strands

• To modify mRNA

• To splice introns from pre-mRNA

What role does the promoter play in transcription?

• It signals the start of transcription

• It adds nucleotides to mRNA

• It terminates transcription

• It initiates replication

What signals the RNA polymerase to stop transcription in prokaryotes?

• The 5' cap addition

• The terminator sequence

• The promoter region

• The poly-A tail

Which of the following is not a direct product of transcription?

• Pre-mRNA

• tRNA

• mRNA

• Protein

What is added to the 5' end of mRNA during processing in eukaryotes?

• Poly-A tail

• Intron

• Exon

• 5' cap

How is mRNA processed in eukaryotic cells after transcription?

• It replicates

• It undergoes splicing to remove introns

• It is immediately translated

• It is degraded

What is the function of the poly-A tail in mRNA?

• It protects mRNA from degradation

• It starts the transcription process

• It signals the end of transcription

• It assists in ribosome binding