#1
Which enzyme is responsible for unwinding the DNA double helix during transcription?
1 answered
#2
What is the primary function of mRNA in gene expression?
1 answered
#3
What is the function of the TATA box in eukaryotic transcription?
1 answered
#4
Which of the following processes involves the addition of a 5' cap and a poly-A tail to the mRNA molecule?
1 answered
#5
Which enzyme catalyzes the addition of nucleotides to the growing RNA chain during transcription?
1 answered
#6
Which of the following is NOT a post-transcriptional modification of mRNA in eukaryotes?
1 answered
#7
Which type of RNA serves as an adaptor molecule during translation, bringing amino acids to the ribosome?
1 answered
#8
Which of the following is a characteristic feature of enhancer regions in eukaryotic transcription?
1 answered
#9
Which of the following is NOT a component of the pre-initiation complex (PIC) in eukaryotic transcription?
1 answered
#10
What is the function of a transcription factor in eukaryotic gene expression?
1 answered
#11
What is the function of the Shine-Dalgarno sequence in prokaryotic translation?
#12
In eukaryotic cells, what is the primary role of RNA interference (RNAi)?
1 answered
#13
What is the function of a transcriptional activator?
1 answered
#14
Which of the following accurately describes the function of the lac operon in E. coli?
1 answered