MCAT Question of the Day 181- Biology

A radioactive dye is detected only in the cells of placental villi. Weeks earlier, it must have been injected into the:

Question posted with permission from The Princeton Review

 

By | 2017-08-15T06:45:29+00:00 January 23rd, 2016|Biology, Princeton Review, Question of the Day, Reproductive System|Comments Off on MCAT Question of the Day 181- Biology