Ready to convenient collection box type gene, sat down in the cosmic coasters gene to earth to collect all kinds of plants and animals.
准备好方便式基因采集箱，坐上宇宙飞车去地球采集各种动植物的基因。
2
Escherichia coli promoter, which could initiate transcription of a gene, was mainly consisted of two conserved sequences, -10 box and -35 box, and spacer between them, whose length is changeable.