Endicott College’s $19 million School of Business and Science Center will open to students on Wednesday. The building includes two wings, an atrium with a foyer overlooking the Endicott lakes, and a 160-seat lecture hall. The business wing will include the Center for Entrepreneurship and Computer Science. The science and biotechnology wing will include classrooms for biology and microbiology, cell-molecular biology, anatomy and physiology, chemistry/biochemistry, physical sciences, and environmental sciences, along with dry and wet labs, prep rooms, work rooms, a small robotics lab, and general research labs. The new building will be officially dedicated and open to visitors Oct. 4-6 during Homecoming and Family Weekend.