The lac operator binds the lac repressor. the dna sequence of the lac operator shares a charateristic with the dna sequences of the binding sites of many resriction enzymes. what is the common characteristic?

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere