Improve the bracketed part of the sentence. Scientists (have developed) an “organ-on-a-chip” platform to study how drugs are transported across the human placental barrier.
In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.
In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.