Vectors in recombinant DNA themselves are also constructed by humans. If you want to make a plasmid vector that can propagate in E. coli cells, what minimal DNA sequences do you need to put in this plasmid?

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?