The function of an operator is to ... The function of an operator is to ... control the process of transcription within the nucleus regulate access of RNA polymerase to specific genes generate amino acids for protein synthesis turn on and off the molecules of tRNA

Which is the correct order in the scientific process? ask a question ® form a hypothesis ® make an observation ask a question ® make an observation ® form a hypothesis make an observation ® form a hypothesis ® ask a question make an observation ® ask a question ® form a hypothesis

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.

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?