pUC18/19 cloning vectors for molecular biology More information of vector http://en.wikipedia.org/wiki/PUC18 氨苄西林 生物学 dna 质粒
Bacterial operon model. More information here http://en.wikipedia.org/wiki/Operon 细菌 活化剂 艺术 操纵子模型 (分子生物学)
Download KISS vector graphics in Illustrator format. Free Kiss vector art poster of popular American hard rock and glam metal band KISS, famous for their iconic makeup, costumes, video clips and live shows. Vector portrait of Kiss rock stars Gene Simmons, Paul Stanley, Eric Singer and Tommy Thayer 吻 乐队 舌 KISS Band