Multiple Choice
Alternative RNA splicing has been estimated to occur in more than 95% of multi-exon genes. Which of the following is not an evolutionary advantage of alternative RNA splicing?
16. Regulation of Expression
Eukaryotic Post-Transcriptional Regulation
Back16. Regulation of Expression
Eukaryotic Post-Transcriptional Regulation
- Multiple Choice
Which of the following statements best describes the function of RNAi?
- Multiple Choice
Which of the following best describes siRNA?
- Multiple ChoicePost-transcriptional controls of gene expression __________.
- Multiple ChoiceWhat is the evolutionary significance of alternative RNA splicing?
- Multiple ChoiceWhat determines how long a particular mRNA molecule will persist in a eukaryotic cell?
- Multiple ChoiceAlthough the number of genes in the human genome is surprisingly low compared to less complex organisms, the number of possible products from those genes is greatly amplified by __________.
- Multiple ChoiceWhich of the following best describes the current understanding of the makeup of the human genome?
- Multiple ChoiceThe discovery of many noncoding RNAs is causing scientists to revise the long-held view that __________.
- Multiple ChoiceMicroRNAs and small interfering RNAs both function similarly in "silencing" genes. What are two ways in which they may act?
- Multiple ChoiceIt is hypothesized that an increase in the number and diversity of noncoding RNA (ncRNA) in the genomes of species has driven the evolution of morphological complexity by way of their influence on gene regulation. Which of the following accurately represents our current understanding of the role that ncRNA is thought to play in gene regulation?
- Open QuestionWhat is alternative splicing?a. phosphorylation that leads to different types of post-translational regulationb. mRNA processing that leads to different combinations of exons being spliced togetherc. folding that leads to proteins with alternative conformationsd. the outcome of regulatory proteins that leads to changes in the life span of an mRNA
- Open QuestionWhat is alternative splicing?a. phosphorylation that leads to different types of post-translational regulationb. mRNA processing that leads to different combinations of exons being spliced togetherc. folding that leads to proteins with alternative conformationsd. the outcome of regulatory proteins that leads to changes in the life span of an mRNA
- Open QuestionWhich of the following is an example of post-transcriptional control of gene expression?a. the addition of methyl groups to cytosine bases of DNAb. the binding of transcription factors to a promoterc. the removal of introns and alternative splicing of exonsd. gene amplification contributing to cancer