Your next bonus is visual. Researchers at the Bell lab have been studying the minichromosome maintenance protein complex, or the MCM. Based on the provided diagram of the eukaryotic Mcm2-7 (m-c-m-two-through-seven) complex, answer the following two questions: 1) What class of motor proteins that separate DNA strands does Mcm2-7 belong to? 2) What does the ORC in the diagram stand for?