Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
식물의 세포발아는 새로운 생명체의 시작을 의미합니다.sigmul-ui sepobalha-neun saeroun saengmyeongche-ui sijag-eul uimi-hamnida.The budding of plant cells signifies the beginning of a new organism.