Education equivalent to at least 60 semester hours (90 quarter hours), including 24 semester hours (36 quarter hours) of science courses that include 6 semester hours (9 quarter hours) of chemistry, 6 semester hours (9 quarter hours) of biology, and 12 semester hours (18 quarter hours) of chemistry, biology, or medical laboratory technology in any combination; or. •Associates degree or higher, including 16 semester hours (24 quarter hours) of biological science (with one semester in microbiology) and 16 semester hours (24 quarter hours) of chemistry (with one semester in organic or biochemistry); or.