Gene Expression Quiz

What is the process by which the DNA genetic code is read and transferred to messenger RNA?

• Replication

• Splicing

• Transcription

• Translation

Which component is NOT involved in the transcription process?

• RNA polymerase

• DNA template

• Transcription factors

• tRNA

What is the role of the 5' cap in mRNA?

• Codes for amino acids

• Initiates transcription

• Facilitates splicing

• Protects transcript from degradation

Which type of RNA is produced by RNA polymerase II?

• tRNA

• mRNA

• snRNA

• rRNA

What is the function of the spliceosome?

• Initiate transcription

• Synthesize proteins

• Modify RNA by removing introns

• Transport mRNA

Which of the following is a step in the translation process?

• Termination

• Elongation

• All of the above

• Initiation

What is the primary function of tRNA?

• Carry genetic information

• Synthesize mRNA

• Catalyze peptide bond formation

• Transport amino acids to ribosomes

Which of the following is a characteristic of prokaryotic protein synthesis?

• Involves multiple RNA polymerases

• Requires a 5' cap

• Translation occurs before transcription ends

• Occurs in the nucleus

What is the role of enhancers in gene expression?

• Facilitate splicing

• Degrade mRNA

• Improve contacts between RNA polymerase and the promoter

• Block transcription

Which of the following is NOT a factor involved in transcription?

• RNA polymerase

• Nucleotides

• ATP

• Ribosome