In prokaryotes, the RNA polymerase holoenzyme consists of Multiple Choice the core polymerase plus a sigma subunit. the core polymerase plus two alpha subunits, two beta subunits, and a sigma subunit. two alpha subunits, two beta subunits, and two sigma subunits. the core polymerase plus two alpha subunits. the core polymerase plus two beta subunits.

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

What is the number of phosphates in an atp molecule

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.