Openings in the MCB program can be viewed on Dr. Bedalov's faculty profile.
Whether you're here for a summer or during the school year, or both, as an undergraduate intern you will be exposed to everything involved with working in a lab.
From setting up simple PCR reactions to making viruses in tissue culture, the only things you have to bring are motivation and willingness to learn.
Please send a scientific CV to Dr. Bedalov. No prior lab experience is necessary, but it doesn't hurt.