3. allow each student to write things that make proteins known as students at most 5 minutes, after which the students to debate whether the things they wrote what is protein.
3. Have each student write things that students recognize the protein as much as possible by taking five minutes later, the students discuss what they wrote what is protein.
3. Each student writes the things students known as the protein to the most by 5 minutes. After that, the students together to discuss that what he says what is protein.