Podcast
Questions and Answers
What determines where transcription begins and ends in a DNA molecule?
What determines where transcription begins and ends in a DNA molecule?
- RNA polymerase
- Amino acid sequence
- mRNA molecule
- Specific sequences of nucleotides along DNA (correct)
Which type of RNA polymerase is responsible for synthesizing all RNA molecules in bacteria?
Which type of RNA polymerase is responsible for synthesizing all RNA molecules in bacteria?
- RNA polymerase III
- RNA polymerase I
- RNA polymerase II
- One type of RNA polymerase (correct)
What is the role of the promoter sequence in transcription?
What is the role of the promoter sequence in transcription?
- To determine the amino acid sequence
- To separate the DNA strands
- To determine which strand of the DNA helix is the template (correct)
- To signals the end of transcription
What is the function of RNA polymerase in transcription?
What is the function of RNA polymerase in transcription?
What is the sequence of amino acids coded by the mRNA molecule transcribed from the DNA portion 5'-TAC TAA GTA ACA TCG CCC 5'?
What is the sequence of amino acids coded by the mRNA molecule transcribed from the DNA portion 5'-TAC TAA GTA ACA TCG CCC 5'?
What is a transcription unit?
What is a transcription unit?
In prokaryotes, what is the relationship between transcription and translation?
In prokaryotes, what is the relationship between transcription and translation?
What is the primary function of a codon in mRNA?
What is the primary function of a codon in mRNA?
What is the relationship between the number of nucleotides in mRNA and the number of amino acids in a protein?
What is the relationship between the number of nucleotides in mRNA and the number of amino acids in a protein?
What is the purpose of RNA processing in eukaryotes?
What is the purpose of RNA processing in eukaryotes?
What is the function of stop codons in mRNA?
What is the function of stop codons in mRNA?
How many codons specify amino acids?
How many codons specify amino acids?
What is the function of the TATA box in eukaryotic genes?
What is the function of the TATA box in eukaryotic genes?
What is the stretch of DNA that is transcribed into an mRNA molecule called?
What is the stretch of DNA that is transcribed into an mRNA molecule called?
In eukaryotes, what recognizes and binds directly to the promoter region?
In eukaryotes, what recognizes and binds directly to the promoter region?
During elongation, how many bases are untwisted by RNA polymerase at a time?
During elongation, how many bases are untwisted by RNA polymerase at a time?
What is the direction of RNA synthesis during transcription?
What is the direction of RNA synthesis during transcription?
What signals the termination of transcription?
What signals the termination of transcription?
