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
나선사는 세포의 유전 정보를 전달하는 중요한 구조입니다.naseonsa-neun sepo-ui yujeon jeongbo-reul jeondalhaneun jungyohan gujo-imnida.The chromonema is an important structure that transmits genetic information in cells.