Semester Offered: Fall or Spring 0.5 1 unit(s) This half-unit intensive offers senior biology majors with an interest in teaching to be in charge of a recitation/discussion section taken by introductory biology students. The faculty member holds meetings throughout the semester to help the peer mentors plan their course and develop instructional materials. These peer-mentored sessions are modeled off of the graduate student TA experience. Each student enrolled in BIOL 107 is required to register for a recitation/discussion section taught by the senior, meeting once a week for an hour. The Department.