Author: Anonymous

Eukaryotes don’t have operons, but multiple genes sometimes respond to the same stimulus because of similar promoter response elements.

A mutation that changes a GC base pair to AT is a(n):

Which of the following is a form of direct DNA repair?

Bacterial insertion sequences encode which of the following gene products?

_____ mutations produce new activities and are usually dominant.

When siRNAs are present, the rate of mRNA degradation _____ and the rate of protein production _____.

Given the following figure, what would be the effect of a mutation that occurred in the insulator that prevented the binding of the insulator-binding protein?

Suppose a scientist discovered a mutant strain of C. elegans worms that had lost the ability to regulate gene expression via RNA interference mechanisms. Which of the following might she predict is a possible source of this defect?

If the bottom strand of the DNA is the template, the tRNA anticodon sequence for the first RNA codon, left to right or 5 to 3, is:

Which of the following statements about regulation of gene expression is CORRECT?