In class we described the use of recombinant DNA to produce human insulin protein in bacterial cells. This procedure relied on cloning a human gene into a plasmid at a location directly adjacent to a bacterial promoter sequence. Why not use the promoter from the human insulin gene for this application?

How does a lytic infection differ from a lysogenic infection?

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human