Aresearcher engineers a lac operon on a plasmid, but inactivates all parts of the lac operator (laco) and the lac promoter, replacing them with the binding site for the lexa repressor (which acts in the sos response) and a promoter regulated by lexa. the plasmid is introduced into e. coli cells that have a lac operon with an inactive lacz gene. under what conditions will these transformed cells produce β-galactosidase?

In the compound republic of america, the power surrendered by the people is first divided between two distinct governments, and then the portion allotted to each subdivided among distinct and separate departments. hence a double security arises to the rights of the people. the different governments will control each other, at the same time that each will be controlled by itself.—madison, number 51 based on the quote, which of the following statements would madison have likely supported? development of political parties is necessary to ensure the security and stability of a democratic government. a government must have enough power to govern however, its power must also be limited by creating multiple branches within it. one government can not carry out the will of the people alone, therefore the establishment of two separate governments is necessary. a government must sometimes limit civil liberties of individuals to ensure the safety and security of all citizens.

Plz me i need a good grade ! 10 government is a government system where all citizens that choose to vote have a say in their government? a: communist b: democratic c: autocratic d: theocracy

2. explain the two different types of egyptian calendars. 3. what architectural advances did the ancient egyptians make? what impact do these advances have on our lives today? 4. what did egyptian art usually depict? how does this compare to forms of art that we see today? 5. what all was found in king tut’s tomb?