Podcast
Questions and Answers
Which process alters the sequence of mRNA?
Which process alters the sequence of mRNA?
- Editing (correct)
- Methylation
- Acetylation
- Translocation
What happens when a premature stop codon is produced in apo-B-48?
What happens when a premature stop codon is produced in apo-B-48?
- The protein becomes shorter (correct)
- The mRNA becomes unstable
- The mRNA is degraded
- The protein becomes longer
Which molecules bind to specific RNA structures and affect mRNA stability and translation?
Which molecules bind to specific RNA structures and affect mRNA stability and translation?
- Iron-regulatory proteins (correct)
- Transcription factors
- miRNAs
- Histones
What is the role of miRNAs in gene expression?
What is the role of miRNAs in gene expression?
What effect does acetylation of histones have on gene expression?
What effect does acetylation of histones have on gene expression?
What effect does methylation of DNA have on gene expression?
What effect does methylation of DNA have on gene expression?
Where do transcription factors act to regulate target genes?
Where do transcription factors act to regulate target genes?
What is the role of mRNA stability in iron metabolism?
What is the role of mRNA stability in iron metabolism?
Which process leads to mRNA degradation or translational inhibition?
Which process leads to mRNA degradation or translational inhibition?
What is changed by deamination to produce a premature stop codon in apo-B-48?
What is changed by deamination to produce a premature stop codon in apo-B-48?
Which condition activates the lac operon in lactose metabolism?
Which condition activates the lac operon in lactose metabolism?
What role does the lac repressor play in the lac operon?
What role does the lac repressor play in the lac operon?
What happens to cAMP levels when glucose is scarce?
What happens to cAMP levels when glucose is scarce?
What is the role of CAP in the lac operon regulation?
What is the role of CAP in the lac operon regulation?
What is the role of the stringent factor in the stringent response?
What is the role of the stringent factor in the stringent response?
What happens to the trp operon in trp high conditions?
What happens to the trp operon in trp high conditions?
What happens to the trp operon in trp low conditions?
What happens to the trp operon in trp low conditions?
What is the role of attenuation in trp operon regulation?
What is the role of attenuation in trp operon regulation?
Which structural motif is used by proteins to bind DNA?
Which structural motif is used by proteins to bind DNA?
What is the role of STF in the coordinate regulation of the galactose circuit in yeast?
What is the role of STF in the coordinate regulation of the galactose circuit in yeast?
