15. Central Dogma & Gene Regulation

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?

Which of the following statements best describes the function of RNAi?

Which of the following best describes siRNA?

When iron is not available, E. coli can stop synthesis of all proteins, such as superoxide dismutase and succinate dehydrogenase, that require iron. Describe a mechanism for this regulation.

In eukaryotic cells, mRNA must be ___________ before it is ___________ into protein. In this process ___________ sequences are removed from the mRNA and ___________ are joined. A complex called the ___________ performs this process.